Aircraft General Knowledge (All Questions)

1. Question

Awl vents in an aircraft tyre:

Select one:

prevent tyre slippage.
prevent damage to the tyre which might be caused at high altitude because of pressure trapped between the tyre plies.
enable tyre creep to be detected.
assist in balancing the wheel assembly.

2. Question

A precaution for the operation of an engine equipped with a constant-speed propeller is to

Select one:

avoid high RPM settings with high manifold pressure.
avoid high manifold pressure settings with low RPM.
always use a rich mixture with high RPM settings.

3. Question

Complete the following sentence by choosing the most correct of the four options to make an accurate statement. In a dry sump lubricating system:

Select one:

oil pressure gauges are unnecessary.
a separate oil storage tank is not required.
a scavenge pump returns the oil from the sump to a separate oil storage tank.
the oil is stored in the sump itself.

4. Question

Baffles are fitted within the engine cowling to:

Select one:

Direct the flow of air evenly around all cylinders to aid cooling.
Increase the strength of the cowling.
Control the volume of air entering the engine compartment.
Decrease the area of air leaving the engine compartment.

5. Question

A propeller blade is twisted from root to tip:

Select one:

to provide maximum thrust at the root.
because the local angle of attack of the segment is dependent on segment movement in the plane of rotation and the segment velocity.
to provide maximum thrust at the tip.
because the local angle of attack of the segment is dependent on segment movement in the plane of rotation and the aircraft true air speed.

6. Question

Complete the following sentence by choosing the most correct of the four options, below. During a compass swing:

Select one:

magnetic variation can be determined.
the whole aircraft must be electrically dead.
the aircraft's compass reading is compared with readings from a 'land or datum' compass.
compass deviation can be determined.

7. Question

Baffles:

Select one:

are directional air guides which direct the airflow fully around the cylinder.
must be close fitting to reduce the flow of air around the engine.
are placed within the lubrication system to slow down the passage of oil into the engine.
reduce the flow of air around the engine.

8. Question

A true ‘monocoque’ structure:

Select one:

would have bulkheads set in place to separate the different sections of the aircraft.
would have a framework consisting of light gauge steel tubes welded together.
would have no apertures at all.
is sometimes referred to as 'Strained Skin' construction.

9. Question

Blade angle from the hub to the tip of a propeller blade in order to maintain an optimal ____ from hub to tip:

Select one:

Decreases; Angle of Attack.
Decreases; Geometric Pitch.
Increases; Angle of Attack.
Increases; Effective Pitch.

10. Question

A vertical speed indicator indicates:

Select one:

Rate of change of altitude in knots.
Rate of change of speed in feet per minute.
Rate of change of speed in knots.
Rate of change of altitude in feet per minute.

11. Question

An airspeed indicator’s green arc shows:

Select one:

Maximum speed for all operations.
Normal Operating Range.
Manoeuvers must be conducted with caution and only in smooth air.
Positive Flap Operating Range.

12. Question

A Vertical Speed Indicator works by measuring:

Select one:

The time between particular levels in a climb or descent.
Rate of change of static pressure.
The difference between static and dynamic pressure.
The rate of change in the difference static and dynamic pressure.

13. Question

An airspeed indicator’s white arc shows:

Select one:

Maximum speed for all operations.
Normal Operating Range.
Manoeuvers must be conducted with caution and only in smooth air.
Positive Flap Operating Range.

14. Question

A wing structure consists primarily of:

Select one:

Ribs and stringers only.
A front and rear main spar.
Ribs only to give optimum and cost effective simple construction.
A front and rear main spar with ribs and stringers.

15. Question

An airspeed indicator’s yellow arc shows:

Select one:

Manoeuvers must be conducted with caution and only in smooth air.
Normal Operating Range.
Maximum speed for all operations.
Positive Flap Operating Range.

16. Question

A “Dry sump” lubrication system is one where:

Select one:

An oil tank is used to re-fill the sump as necessary.
A scavenge pump collects oil from the sump and returns it to an oil tank.
Oil is not required for cooling and lubrication.
Oil is contained in a sump at the bottom of the engine and there is no oil tank.

17. Question

An Altimeter:

Select one:

Contains a partially evacuated capsule that expands during a descent.
Contains a barometric capsule, connected to a total pressure source, that contracts during a descent.
Contains an aneroid capsule connected to a static pressure source. The capsule contracts during a descent.
Contains a barometric capsule that expands during a descent.

18. Question

A “Wet sump” lubrication system is one where:

Select one:

An oil tank is used to re-fill the sump as necessary.
Scavenger pump collects oil from the sump and returns it to oil tank.
Oil is not required for cooling and lubrication.
Oil is contained in a sump at the bottom of the engine and there is no oil tank.

19. Question

Applying carburetor heat will:

Select one:

enrich the fuel/air mixture.
result in more air going through the carburetor.
not affect the fuel/air mixture.
increases power of the engine.

20. Question

Aircraft maintenance carried out by a private pilot in accordance with the pilot’s legal entitlement:

Select one:

need not be logged or recorded.
is to be entered in the aircraft's log book and certified by the pilot who carried out the maintenance.
is to be entered in the aircraft's log book and certified by a CAA approved inspector.
is to be entered in the aircraft's log book and certified by a licensed engineer.

21. Question

As air enters the restriction of a Venturi, velocity___, static or ambient pressure_ and temperature___.

Select one:

increases increases increases
increases decreases decreases
decreases increases decreases
decreases decreases increases

22. Question

Aircraft nose wheel shimmy is:

Select one:

Rapid oscillation of the wheel about the wheel axis.
Commonly caused low shock absorber gas pressure.
Oscillation of the wheel about its track.
Rapid vertical displacement of the wheel due to uneven ground.

23. Question

Carbon monoxide gas, which is highly toxic, may enter the aeroplane cabin in flight because of an exhaust system defect. Carbon Monoxide:

Select one:

may be identified by its strong smell.
has a very distinctive taste.
is odourless and colourless.
may be identified by its grey colour.

24. Question

A double pole electrical system;

Select one:

requires one cable taking the current to the component and another to complete the circuit back to the negative side of the generator or alternator.
is not required in aircraft which are made of non-conductive materials.
is fail-safe, and so does not require a battery.
has the return current flowing back through the metal of the airframe to complete the circuit.

25. Question

Airflow through the venturi of a carburetor causes a:

Select one:

Rise in pressure and drop in velocity at the narrowest point.
Drop in pressure and rise in temperature at the narrowest point.
Drop in pressure and rise in velocity at the narrowest point.
Drop in pressure and drop in velocity at the narrowest point.

26. Question

As altitude decreases, if the cockpit mixture control is not adjusted what will be the effect on the fuel-air mixture?

Select one:

The fuel-air mixture will become richer (do to the reducing air density).
The fuel-air mixture will become leaner (do to the reducing air density).
The fuel-air mixture will become richer (do to the reducing amount of fuel).
The fuel-air mixture will become leaner (do to the increasing air density).

27. Question

A flying control lock:

Select one:

Locks controls on the ground to prevent damage in windy conditions.
Locks controls in flight to neutralize aerodynamic loads and ease the physical load on the pilot.
Locks the trim tabs once straight and level flight is established.
Locks controls on the ground to prevent the pilot damaging them while maneuvering the aircraft.

28. Question

An abnormally high engine oil temperature indication may be caused by

Select one:

operating with a too high viscosity oil.
the oil level being too low.
operating with an excessively rich mixture.

29. Question

As altitude increases, if the cockpit mixture control is not adjusted what will be the effect on the fuel-air mixture?

Select one:

The fuel-air mixture will become richer (do to the reducing amount of fuel).
The fuel-air mixture will become leaner (do to the reducing air density).
The fuel-air mixture will become leaner (do to the increasing air density).
The fuel-air mixture will become richer (do to the reducing air density).

30. Question

An airborne instrument, equipped with a gyro with 1 degree of freedom and a horizontal spin axis is a:

Select one:

Turn indicator.
Fluxgate compass.
Gyromagnetic compass.
Directional gyro.

31. Question

A BCF fire extinguisher that is used in an enclosed cockpit:

Select one:

May be refilled with Carbon Dioxide (CO2) and refitted to the aircraft.
Gives off highly toxic fumes and must never be used.
May not extinguish wood and fabric fires and may not be suitable for all aircraft.
Is quite safe to use provided the cockpit is subsequently ventilated.

32. Question

As an aircraft with a variable-pitch, constant-speed propeller accelerates along the runway;

Select one:

the linear velocity of the propeller tip will gradually decrease.
the angle of attack will remain constant and the engine RPM will increase.
the angle of attack will decrease and the engine RPM remain constant.
the blade pitch angle increases, maintaining a constant angle of attack and RPM.

33. Question

An aircraft’s Certificate of Airworthiness (C of A) :

Select one:

is valid for 6 months.
expires only when the aircraft is removed from the British register.
is valid for the period specified in the C of A.
is valid indefinitely, provided that the aeroplane is maintained in accordance with the requirements specified in the C of A.

34. Question

A cowling fitted to an air-cooled aircraft engine is to:

Select one:

Form an protective envelope around the engine and to retain heat.
Duct air around the cylinders to heat them evenly and to reduce drag.
Duct air around the cylinders to cool the evenly and to reduce drag.
Duct air around the cylinders to cool the evenly and to increase drag.

35. Question

At what throttle position is there is greatest risk of carburetor icing (all other conditions remaining unchanged)?

Select one:

Any position.
At the throttle position for cruise flight.
Closed throttle (i.e. idling engine power).
Opened throttle (i.e. setting maximum power).

36. Question

A fuel priming pump normally delivers fuel directly to:

Select one:

The carburator float chamber.
The carburator float chamber. b. The induction manifold or inlet valve port.
The accelerator pump outlet.
The combustion chamber.

37. Question

A Direction Indicator (Dl) may be aligned with the magnetic compass:

Select one:

by using the caging knob to rotate the Dl azimuth card when the aircraft's wings are level and the aircraft is in un-accelerated flight.
periodically, to offset the effect of acceleration during a turn.
when the wings are level and the aircraft is in either accelerated or un-accelerated flight.
to eliminate the effect of liquid swirl.

38. Question

AVGAS 100LL is:

Select one:

Colored green and contains less lead than 100L.
Colored blue and has the same octane rating as 100L.
Colored green and has the same resistance to detonation as 100L.
Colored green and has a higher octane rating than 100L.

39. Question

A positive ammeter indication means that:

Select one:

The battery is out of service.
The generator is failing.
The battery's discharge rate.
The generator is charging the battery.

40. Question

Connecting two 12 volt, 20 ampere-hour, capacity batteries in parallel will provide a battery of:

Select one:

12 volts and 20 ampere-hours capacity.
24 volts and 40 ampere-hours capacity.
12 volts and 40 ampere-hours capacity.
24 volts and 20 ampere-hours capacity.

41. Question

One purpose of the dual ignition system on an aircraft engine is to provide for

Select one:

balanced cylinder head pressure.
improved engine performance.
uniform heat distribution.

42. Question

You are flying a single engine aircraft. Your actions in the event of generator or alternator failure during flight should be:

Select one:

To reduce the electrical load and continue the flight normally.
To switch off the master switch and continue the flight as normal, but without electrical power.
Continue the flight normally as the battery will supply all electrical needs.
To reduce the electrical load and land as soon as practicable.

43. Question

With in an Altimeter:

Select one:

Static line pressure is connected to the aneroid capsule; pitot pressure is connected to the camera surrounding the capsule.
As the aircraft descents the aneroid capsule inside contracts. The movement is transmitted to a pointer via appropriate linkages which moves around the scale of the instrument.
Pitot pressure is connected to the aneroid capsule; static line pressure is connected to the camera surrounding the capsule.
As the aircraft climbs the aneroid capsule inside contracts. The movement is transmitted to a pointer via appropriate linkages which moves around the scale of the instrument.

44. Question

With a constant throttle setting and a fixed pitch propeller, during deceleration the engine RPM will:

Select one:

Initially increase, but then decrease.
Remain unchanged.
Increase.
Decrease.

45. Question

With a constant throttle setting and a fixed pitch propeller, during acceleration the engine RPM will:

Select one:

Initially increase, but then decrease.
Decrease.
Remain unchanged.
Increase.

46. Question

Why use a vacuum system to drive the gyros?

Select one:

To save electrical power.
Just so that there is a second source of independent energy to rotate gyros.
Vacuum system and vacuum driven instruments are less complex and less price.
Electricity is not a reliable and independent supply.

47. Question

Why is the use of a written checklist recommended for preflight inspection and engine start?

Select one:

To ensure that all necessary items are checked in a logical sequence.
To instill confidence in the passengers.
For memorizing the procedures in an orderly sequence.

48. Question

Why is an engine lubricated?

Select one:

To remove contaminants.
To provide cooling.
To reduce friction.
To reduce friction, provide cooling, provide protection.

49. Question

Why have two magnetos on an engine?

Select one:

One of them is main magneto; another is an extra magneto which can be switched ON if first one fails.
In case one fails the other one will keep the engine running. Also both magnetos provide marginal increase in power and efficiency.
Provides marginal increase in power and efficiency.
In case one fails the other one will keep the engine running.

50. Question

Why have both throttle and the mixture control?

Select one:

For engine starting and stopping.
Mixture controls fuel/air quantity, throttle controls ratio.
For cold engine starting.
Mixture controls fuel/air ratio, throttle controls quantity.

51. Question

Why fly on both magnetos?

Select one:

It is not necessary to operate on both magnetos.
Both magnetos provide marginal increase in power and efficiency.
To prevent engine failure in the case that one magneto fails.
Both magnetos provide marginal increase in power and efficiency and prevent engine failure in the case that one magneto fails.

52. Question

Why does the pilot drain fuel before each flight?

Select one:

To check for impurities.
To check fuel type for safe operation.
To check for impurities, water, and fuel type for safe operation.
To check for water, and fuel type for safe operation.

53. Question

While taxing in an aircraft fitted with a fixed pitch propeller, you suspect that you have carburetor icing. The correct action to take would be to:

Select one:

Select carburetor heat to fully hot; then select to cold as the rpm drops.
Select carburetor heat to fully hot and leave this setting until you have taken off and are climbing away.
Avoid the use carburetor heat on the ground, and relay on the heat of the engine within the cowlings to melt the ice.
Select carburetor heat to fully hot. Then, before take-off, select carburetor heat cold, making sure that the engine develops the correct minimum take-off rpm.

54. Question

While cruising at 9,500 feet MSL, the fuel/air mixture is properly adjusted. What will occur if a descent to 4,500 feet MSL is made without readjusting the mixture?

Select one:

No effect.
There will be more fuel in the cylinders than is needed for normal combustion, and the excess fuel will absorb heat and cool the engine.
The fuel/air mixture may become excessively lean.
The excessively rich mixture will create higher cylinder head temperatures and may cause detonation.

55. Question

Which stabilizing surface provides longitudinal stability (stability in pitch)?

Select one:

The rudder.
The stabilator.
The rudder trim tab.
The fin.

56. Question

Which stabilizing surface provides directional stability?

Select one:

The stabilator.
The fin.
The rudder trim tab.
The rudder.

57. Question

Which piston engine component converts the reciprocating movement of the pistons into the rotary movement of the propeller?

Select one:

The gearbox.
The crankshaft.
The camshaft.
Piston rings.

58. Question

Which one of the four options below makes an untrue statement about a wet sump system?

Select one:

In a wet sump system, a scavenge pump returns the oils from the sump to a separate oil storage tank.
A wet sump system contains oil filters to remove foreign matter and impurities from the circulating oil.
In a wet sump system, the oil is stored in the sump itself.
A wet sump system contains an engine-driven and/or electrically-driven oil pump which supplies oil to the moving parts of the engine.

59. Question

Which of the fuels listed below (because of less stringent quality control in its production) might be used in certain models of light, piston-engine aircraft only in accordance with technical guidelines such as those found in the CAA General Safety Sense Series and/or in CAA Airworthiness Notices?

Select one:

AVGAS
JET A1
MOGAS
AVTUR

60. Question

Which of the following will increase the angle of attack of a fixed pitch propeller blade?

Select one:

Decreased TAS and decreased RPM.
Increased TAS and increased RPM.
Increased TAS and decreased RPM.
Decreased TAS and increased RPM.

61. Question

Which of the following is an appropriate initial action to take if you have a carburettor fire on start-up? (N.B. You must always refer to the Flight Reference Cards for your aircraft to learn the correct list of actions to take in the event of engine fire on the ground or in the air.)

Select one:

Select mixture control to Idle Cut Off (ICO).
Deselect carburettor heat.
All of the above.
Turn the starter switch to Off.

62. Question

Which of the following are true regarding an Impulse Coupling:

Select one:

It is mechanical device which uses a spring to temporarily increase the speed of rotation of the magneto.
All of the above.
It supplies a stream of high voltage impulses to a trailing brush on the distributor rotor.
It supplies a primary coil of the magneto with a low voltage during engine start.

63. Question

Which of the following are functions of the capacitor in the primary circuit of a magneto?

(1) Assists in collapsing the magnetic field.
(2) Smoothes the output of the magnetic field.
(3) Helps prevent erosion of the contact breaker points.
(4) Prevents sparking at the contact breaker points.

Select one:

(3) and (4) only.
(1), (3) and (4).
(1) and (4) only;
(1) and (2) only.

64. Question

Which of the following actions would help to improve engine cooling during the climb in an aircraft fitted with an air cooled engine?

Select one:

Decreasing power and increasing speed.
Closing the cowl flaps.
Increasing power and reducing speed.
Leaning the air-fuel mixture.

65. Question

Which instrument(s) will become inoperative if the static vents become clogged?

Select one:

Altimeter only.
Airspeed indicator only.
Vertical speed indicator.
Airspeed indicator, altimeter, and vertical speed indicator.

66. Question

Which instrument will become inoperative if the pitot tube becomes clogged?

Select one:

Altimeter.
Airspeed indicator.
Airspeed indicator, Vertical speed indicator and Altitude indicator.
Vertical speed indicator.

67. Question

Which instrument is not actuated by atmospheric pressure?

Select one:

Air speed indicator.
Heading indicator.
Rate of climb indicator.
Altitude indicator.

68. Question

Which condition is most favorable to the development of carburetor icing?

Select one:

Temperature between -7ºC (20ºF) and 21ºC (70ºF) and high humidity.
Temperature between 0ºC (32ºF) and 10ºC (50ºF) and low humidity.
Any temperature below freezing and a relative humidity of less than 50 percent.

69. Question

Which color identifies the power-off stalling speed with wing flaps and landing gear in the landing configuration?

Select one:

Upper limit of the white arc.
Upper limit of the green arc.
Lower limit of the white arc
Lower limit of the green arc.

70. Question

Which components do a semi-monocoque fuselage consists of?

Select one:

A stressed skin type of construction in which the stiffness of the skin provides a large measure of the strength of the structure. No truss or substructure is required.
Metal stringers, bulkheads and fabric covering.
A stressed skin structure in which the skin is supported by a lightweight framework, such as longerons, stringers and formers.
Steel tubing, longerons and bulkhead wires.

71. Question

Which color identifies the never-exceed speed?

Select one:

Lower limit of the yellow arc.
Upper limit of the white arc.
Upper limit of the green arc.
The red radial line.

72. Question

Which aircraft instrument(s) measure static pressure only?

Select one:

Altimeter only.
Altimeter and Vertical speed indicator (VSI).
Vertical speed indicator (VSI) only.
Air speed indicator (ASI).

73. Question

Which aircraft instrument(s) measure both pitot and static pressure?

Select one:

Altimeter only.
Air speed indicator (ASI) and Vertical speed indicator (VSI).
Air speed indicator (ASI) only.
Vertical speed indicator (VSI) only.

74. Question

Where, in a wet sump engine, is the oil temperature read by the temperature probe which is connected to the engine’s oil temperature gauge?

Select one:

As the oil leaves the oil tank.
Before the oil has passed through the oil cooler.
Inside the hot sections of the engine.
After the oil has passed through the oil cooler but before it reaches the hot sections of the engine.

75. Question

Where is the sensor of the engine oil temperature gauge located?

Select one:

Within the exhaust sections of the engine.
In the same position as the pressure sensor for the oil pressure gauge.
Before the oil cooler.
After passing through the oil cooler, but before reaching the hot sections of the engine.

76. Question

When, in flight, the needle and ball of a needle-and-ball indicator are on the left, the aircraft is:

Select one:

Turning right with not enough bank.
Turning right with too much bank.
Turning left with too much bank.
Turning left with not enough bank.

77. Question

When the Idle Cut Off value on a light aircraft piston engine is operated it;

Select one:

switches fuel flow from the main carburettor jet to the slow running jet.
it stops fuel flowing from the main carburettor jet and stops the engine.
it cuts off the fuel supply to the float chamber of the carburettor.
it stops the fuel flow from the slow running jet and stops the engine.

78. Question

When starting the engine all unnecessary electrical equipment and radios should be:

Select one:

Switched on.
On or off, it does not matter.
Switched off.
Radios should be off, but navigation equipment should be on.

79. Question

When starting a cold engine, if the oil pressure gauge does not register a rise within around 30 seconds you should:

Select one:

Stop the engine immediately to avoid damage.
Leave the RPM at idle to allow the engine to warm up and the oil pressure to rise.
Increase the RPM to try to increase the oil pressure.
Ignore it, the low oil temperature is probably the cause, sufficient oil was observed during the visual inspection.

80. Question

When operating at high power, over 75%, a richer mixture is desirable because:

Select one:

Any excess of fuel will be used to heat the engine.
Any excess of fuel will be used to cool the engine.
The air in the cylinders will be more dense.
High power will lead to high pressure in the cylinders.

81. Question

When does P-factor cause the airplane to yaw to the left?

Select one:

When at low angles of attack.
When at high angles of attack.
When at high airspeeds.

82. Question

When do you use carburetor heat?

Select one:

When you suspect icing and often during decent.
When RPM decrease.
When you suspect icing.
Often during decent.

83. Question

When do you say that an aircraft has a cantilever wing?

Select one:

When the wing plan form is other than rectangular.
When the wing is supported by braces or strut, linked to the fuselage.
When the wing is attached to the lower part of the fuselage.
When the wing is attached to the fuselage at or near one end only.

84. Question

When do you say that an aircraft has a braced wing?

Select one:

When the wing is attached to the lower part of the fuselage.
When the wing plan form is other than rectangular.
When the wing is attached to the fuselage at or near one end only.
When the wing is supported by braces or strut, linked to the fuselage.

85. Question

What would be the VSI indications if the static port was blocked?

Select one:

0.
Indicates the rate of climb or descent at which the blockage occurred.
Reading decreases.
VSI reading is not affected by the static port blockage.

86. Question

When an aircraft is in flight, the pressure sensed by the forward facing hole in the Pitot tube is:

Select one:

Dynamic pressure only.
Total pressure plus dynamic pressure.
Static pressure only.
Dynamic pressure plus static pressure.

87. Question

What will be the consequence for the validity of an aircraft’s Certificate of Airworthiness (C of A) if the aircraft is not maintained in accordance with the approved maintenance schedule detailed in the C of A?

Select one:

The C of A must be renewed before the aircraft may fly.
The validity of the C of A will not be affected.
The C of A will be rendered invalid until such time as the required maintenance is completed.
The aircraft owner must apply to the CAA for an exemption from the required maintenance schedule.

88. Question

What type fuel can be substituted for an aircraft if the recommended octane is not available?

Select one:

Unleaded automotive gas of the same octane rating.
The next lower octane aviation gas.
The next higher octane aviation gas.
It can be used recommended fuel only.

89. Question

What provides lubrication in the engine?

Select one:

The sump.
Oil pump.
Fuel.
Oil.

90. Question

What special check should be made on an aircraft during preflight after it has been stored an extended period of time?

Select one:

ELT batteries and operation.
Damage or obstructions caused by animals, birds, or insects.
Condensation in the fuel tanks.

91. Question

What is true altitude?

Select one:

The height above the standard datum plane.
The vertical distance of the aircraft above the surface.
The vertical distance of the aircraft above sea level.

92. Question

What is the source of the high tension supply to the spark plugs in an aircraft piston engine?

Select one:

The alternator together with the voltage regulator.
The alternator.
The aircraft battery for start up and idle, and the magnetos once take off RPM are achieved.
The system comprising the permanent magnet generator in the primary circuit of the magnetos and the step up transformer of the magnetos' secondary circuit, and including the internal distributor in the magnetos.

93. Question

What is the serious potential problem caused by insufficient fuel tank venting in a gravity-feed fuel system?

Select one:

Increase in RPM.
Fuel starvation (i.e. fuel in the tank but not reaching the engine).
Carburetor icing.
Increase in CHT.

94. Question

What is the reason for putting the horizontal stabilizer on top of the fin?

Select one:

To be out of the way of the wing down wash.
No need for anti-icing.
To be more efficient at high speed.
Create a pitch up by making the aeroplane tail heavy.

95. Question

What is the purpose of the wing main spar:

Select one:

To withstand compressive and shear loads.
To withstand compressive and torsion loads.
To withstand bending and torsion loads.
To withstand bending and shear loads.

96. Question

What is the purpose of wing slats?

Select one:

To reduce stalling speed.
To increase speed on take off.
To decrease drag.

97. Question

What is the purpose of wing slats?

Select one:

To reduce stalling speed.
To decrease drag.
To increase speed on take off.

98. Question

What is the purpose of the vertical fin?

Select one:

To provide longitudinal stability.
To provide directional stability.
To provide lateral stability.

99. Question

What is the purpose of the ball in the Turn and Slip Indicator or Turn Coordinator?

Select one:

The ball indicates rate of turn.
The ball indicates rate of descent in a turn.
The ball indicates angle of bank.
The ball indicates slip and skid.

100. Question

What is the primary purpose of the cockpit “mixture” control?

Select one:

Ensuring constant RPM at different throttle setting.
To prevent a “lean cut” when the throttle is opened rapidly.
To control the ratio of fuel to air entering the engine.
Ensuring maximum RPM at maximum throttle setting.

101. Question

What is the primary purpose of the accelerator pump?

Select one:

Ensuring constant RPM at different throttle setting.
To control the ratio of fuel to air entering the engine.
To prevent a “lean cut” when the throttle is opened rapidly.
Ensuring maximum RPM at maximum throttle setting.

102. Question

What is the maximum time for engine to run after starting while waiting for oil pressure to register?

Select one:

30 min.
30 sec.
20 sec.
3 sec.

103. Question

What is the color of 80 AVGAS fuel:

Select one:

Blue.
No color.
Red.
Green.

104. Question

What is the color of 100LL AVGAS fuel:

Select one:

Green.
Blue.
Red.
No color.

105. Question

What is the color of 100 AVGAS fuel:

Select one:

No color.
Red.
Green.
Blue.

106. Question

What is one procedure to aid in cooling an engine that is overheating?

Select one:

Reduce the airspeed.
Increase the RPM.
Enrichen the fuel mixture.

107. Question

What is density altitude?

Select one:

The altitude read directly from the altimeter.
The height above the standard datum plane.
The pressure altitude corrected for nonstandard temperature.

108. Question

What is an important airspeed limitation that is not color coded on airspeed indicators?

Select one:

Never-exceed speed.
Maneuvering speed.
Maximum structural cruising speed.

109. Question

What is a purpose of the Torque link of the shock absorber on the landing gear?

Select one:

To absorb landing energy.
Amortization.
To steer the front wheel.
To prevent piston rotation in the cylinder.

110. Question

What is an advantage of a constant-speed propeller?

Select one:

Permits the pilot to select and maintain a desired cruising speed.
Permits the pilot to select the blade angle for the most efficient performance.
Provides a smoother operation with stable RPM and eliminates vibrations.

111. Question

What instrument(s) is (are) effected by apparent wander (Apparent drift)?

Select one:

Magnetic compass.
Heading indicator (HI).
Turn indicator.
All instruments with a gyro.

112. Question

What instrument(s) are typically driven by the suction system of a light aircraft?

Select one:

Turn coordinator.
Attitude indicator and Heading indicator (HI).
All gyro instruments.
Attitude indicator.

113. Question

What indications should you get from the turn-and-slip indicator during taxi?

Select one:

The ball moves freely in the direction of the turn, and the needle deflects in the opposite direction of the turn.
The ball moves freely opposite the turn, and the needle deflects in the direction of the turn.
The ball stays fixed in the center position during the turn, and the needle deflects in the opposite direction of the turn.
The ball stays fixed in the center position during the turn, and the needle deflects in the direction of the turn.

114. Question

What happens to the ignition if the alternator fails?

Select one:

Nothing – ignition and electrical systems are independent.
Battery provides electricity power for ignition system.
Decrease in engine power.
In the case of alternator failure pilot must switch ON magnetos.

115. Question

What happens if the pitot heating is left ON for take off:

Select one:

The indicated airspeed would be zero.
Wrong magnetic compass indications.
The pitot heating prevents pitot tube icing during take off.
ASI, VSI and altitude indicators will be unserviceable.

116. Question

What happens if the pitot cover is left on for take off?

Select one:

The pitot cover prevents pitot tube icing during take off.
ASI, VSI and altitude indicators will be unserviceable.
No effect.
The indicated airspeed would be zero.

117. Question

What does the red line on an airspeed indicator represent?

Select one:

Never-exceed speed.
Maximum lift/drag ratio speed.
Maneuvering speed.
Turbulent or rough-air speed.

118. Question

What does the altimeter read in a climb if the static port is blocked?

Select one:

Altimeter reading is not affected by the static port blockage.
Indicates the altitude at which the blockage occurred.
0.
Reading decreases.

119. Question

What do you look for when draining fuel?

Select one:

Impurities, water, and fuel level (amount of fuel).
Fuel color/type.
Impurities and water.
Impurities, water, and fuel color/type.

120. Question

What component, rotating at half the speed of the crankshaft, controls the opening of the intake and exhaust valves?

Select one:

The crankshaft.
The camshaft.
The constant speed unit (CSU).
The gearbox.

121. Question

What component, rotating at half the speed of the crankshaft, controls the correct time of ignition for each cylinder?

Select one:

The distributor.
The camshaft.
The crankshaft.
The constant speed unit (CSU).

122. Question

What change occurs in the fuel/air mixture when carburetor heat is applied?

Select one:

The fuel/air mixture becomes leaner.
The fuel/air mixture becomes richer.
A decrease in RPM results from the lean mixture.

123. Question

What are the two principle properties of a gyroscope?

Select one:

Rigidity and precession.
Apparent drift and dip.
Variation and deviation.
Accuracy and precession.

124. Question

What are the potential dangers of running an engine with an excessively lean (weak) mixture?

Select one:

Overheating.
Rapid decrease in CHT.
No dangers.
Overheating and detonation.

125. Question

What action must a pilot take if, following a flight, he suspects that his aircraft has exceeded its maximum permitted positive g limit by a small amount?

Select one:

No action need be taken provided the g limit has not been exceeded by 20%.
The pilot should carry out a thorough inspection of the airframe. If there is no indication of airframe stress, or distortion of the structure, no further action need be taken.
The pilot should carry out a thorough inspection of the airframe in the company of a second type-qualified pilot. If there is no indication of airframe stress, or distortion of the structure, no further action need be taken.
The pilot must place the aircraft unserviceable. The aircraft must not be flown again until inspected and cleared by a qualified engineer.

126. Question

What action can a pilot take to aid in cooling an engine that is overheating during a climb?

Select one:

Reduce climb speed and increase RPM.
Increase climb speed and increase RPM.
Reduce rate of climb and increase airspeed.

127. Question

Under what condition will true altitude be lower than indicated altitude?

Select one:

In colder than standard air temperature.
In warmer than standard air temperature.
When density altitude is higher than indicated altitude.
Temperatures changes do not have any influence on altimeter readings.

128. Question

To receive accurate indications during flight from a heading indicator, the instrument must be:

Select one:

Calibrated on a compass rose at regular intervals.
No action is needed.
Set prior to flight on a known heading.
Periodically realigned with the magnetic compass as the gyro recesses.

129. Question

To assist in reducing the temperature of the engine:

Select one:

the airspeed can be reduced.
the air/fuel mixture can be richened.
the cowl flaps can be closed.
the air/fuel mixture can be weakened.

130. Question

To achieve the correct valve timing in a piston engine, the valves are opened by a camshaft running at;

Select one:

engine speed.
twice crankshaft speed.
half crankshaft speed.
twice engine speed.

131. Question

Tire creep:

Select one:

Can be prevented with glue.
Can be prevented by painting lines on the tire and wheel.
Refers to the movement of an aircraft against the brakes.
Can be recognized by the misalignment of markings painted on the tire and wheel.

132. Question

Tire creep may be identified by:

Select one:

Two white blocks painted on the wheel flange.
Alignment marks painted on the tire sidewalls and wheel flange.
A tire pressure check.
Two yellow diametrically opposed arrows painted on the tire sidewalls.

133. Question

Theoretically, a 100 amp/hr battery will supply 25 amps for:

Select one:

25 hours.
25 minutes.
100 minutes.
4 hours.

134. Question

The “chemically correct ratio” for air to fuel is 15:1 by weight. What, however, is approximate air-fuel ratio for the optimum mixture strength for use in a piston engine?

Select one:

8:1 by volume.
12:1 by weight.
15:1 by volume.
9:1 by weight

135. Question

The yellow arc on the airspeed indicator shows the:

Select one:

Normal operating range.
VNE range.
Caution range.
Flap operating range.

136. Question

The uncontrolled firing of the fuel/air charge in advance of normal spark ignition is known as

Select one:

pre-ignition.
combustion.
detonation.

137. Question

The type of gas which is stored in the activating cylinder of a life jacket;

Select one:

is Carbon Dioxide.
is Carbon Monoxide
is extremely toxic and great care should be taken, when topping up the lifejacket, not to breathe any of it in.
is highly inflammable.

138. Question

The twist in a propeller blade is designed to do what to the blade angle?

Select one:

Reduce the blade angle towards the tip.
Increase the blade angle towards the tip.
Reduce the blade angle towards the hub.
Maintain the same blade angle from hub to tip.

139. Question

The significance of using the chemically correct mixture of air and fuel is that:

Select one:

It gives the best results.
It allows complete combustion to occur.
It is 15:1 by volume.
It is the one usually used.

140. Question

The rigidity in space of a gyro:

Select one:

is maximum at the magnetic equator.
is decreased by manufacturing the rotor from brass.
is minimum at the magnetic equator.
keeps its axis pointing in a fixed direction in space unless it is acted on by an external force.

141. Question

The ratio of movement of the crankshaft to the camshaft is:

Select one:

Half the speed.
Twice the speed.
Dependant on the number of cylinders.
The same.

142. Question

The purpose of a voltage regulator is to control the output voltage of the:

Select one:

Batteries at varying loads.
To adjust required voltage manually.
Generators at varying speeds and the batteries at varying loads.
Generator at varying loads and speeds.

143. Question

The purpose of a constant-speed propeller is:

Select one:

To prevent wind milling.
To adopt the most efficient blade pitch angle for all phases of flight.
To improve performance in cruising flight.
To improve performance during take-off.

144. Question

The propeller blade angle is defined as the acute angle between the plane of rotation and which of the following?

Select one:

Airfoil section chord line.
The axis of blade rotation during pitch change.
The relative wind.
The plane of rotation.

145. Question

The propeller blade angle is defined as the acute angle between the airfoil section chord line (at the blade reference station) and which of the following?

Select one:

The axis of blade rotation during pitch change.
The relative wind.
The propeller thrust line.
The plane of rotation

146. Question

The principle of operation of an oleo pneumatic shock absorber (shock strut) employs:

Select one:

Oil and air (or nitrogen).
Oil and spring.
Air and a coil spring.
Oil only.

147. Question

The principal reason why light training aircraft have fixed undercarriages is that:

Select one:

Training aircraft need to ensure that kinetic energy on landing is absorbed.
Training aircraft need to be supported at a convenient height.
The reduced performance caused by the additional drag of a fixed undercarriage is offset by its simplicity, low cost and easy maintenance.
Training aircraft need to maneuver on the ground.

148. Question

The primary purpose of the fuselage is to:

Select one:

Keep out adverse weather.
Support the wings.
House the crew and payload.
Provide access to the cockpit.

149. Question

The prevention of excessive oil pressure in an aircraft engine is assured by:

elect one:

The engine’s filter by-pass valve.
The engine’s high capacity pressure pump.
Ensuring that the engine does not exceed the red-line rpm value.
The engine’s oil pressure relief valve.

150. Question

The presence of carburettor ice in an aircraft equipped with a fixed-pitch propeller can be verified by applying carburetor heat and noting

Select one:

a decrease in RPM and then a gradual increase in RPM.
a decrease in RPM and then a constant RPM indication.
an increase in RPM and then a gradual decrease in RPM.

151. Question

The power output of an internal combustion engine can be increased by:

Select one:

Increasing the engine R.P.M.
Decreasing the length of the stroke.
Decreasing the area of the cylinder.
Increasing the size of the fuel tank.

152. Question

The power output of a four-stroke piston engine at sea level:

Select one:

Is proportional to the volume of mixture induced in to the cylinder.
Is constant as rpm increases.
Increases initially, than remains constant as rpm increases.
Increases as rpm increases.

153. Question

The possibility of carburetor icing exists even when the ambient air temperature is as

Select one:

high as 35ºC (95ºF) and there is visible moisture.
low as 18ºC (0ºF) and the relative humidity is high.
high as 21ºC (70ºF) and the relative humidity is high.

154. Question

The pitot system provides impact pressure for which instrument?

Select one:

Vertical-speed indicator, Altimeter and Airspeed indicator.
Vertical-speed indicator.
Airspeed indicator.
Altimeter.

155. Question

The operating principle of float-type carburettors is based on the

Select one:

difference in air pressure at the venturi throat and the air inlet.
automatic metering of air at the venture as the aircraft gains altitude.
increase in air velocity in the throat of a venturi causing an increase in air pressure.

156. Question

The oil pressure gauge indicates the oil pressure at the:

Select one:

Outlet side of the pressure pump.
Inlet side of the pressure pump.
Difference between the inlet side of the pressure pump and the outlet side.
Difference between pressure at the pressure pump and pressure at the scavenger pump.

157. Question

The number of revolutions of the crankshaft required to complete a full cycle in a four stroke engine is:

Select one:

8.
4.
6.
2.

158. Question

The number of revolutions of the camshaft required to complete a full cycle in a four stroke engine is:

Select one:

8.
1.
4.
2.

159. Question

The normal method for shutting down an aircraft engine is to:

Select one:

Move the mixture to idle cut-off (ICO).
Close the throttle and move the mixture to ICO.
Switch the starter switch to off.
Close the throttle.

160. Question

The most probable cause of the needle of the oil pressure gauge fluctuating when the aircraft is in level flight with the engine running at cruise rpm is:

Select one:

A low oil supply.
The presence of air in the oil tank.
A loose of an electrical connection.
The low power setting.

161. Question

The most probable cause of the needle of the ammeter being in the center-zero position would be that:

Select one:

The alternator has failed.
The battery is fully charged.
The battery is flat.
All electrical loads have been switched off.

162. Question

The most important rule to remember in the event of a power failure after becoming airborne is to

Select one:

immediately establish the proper gliding attitude and airspeed.
determine the wind direction to plan for the forced landing.
quickly check the fuel supply for possible fuel exhaustion.

163. Question

The most common type of modern light aircraft fuselage construction is:

Select one:

Wood and canvas.
Semi monocoque / stressed skin.
Monocoque.
Truss or framework construction.

164. Question

The left turning tendency of an airplane caused by P-factor is the result of the

Select one:

propeller blade descending on the right, producing more thrust than the ascending blade on the left.
clockwise rotation of the engine and the propeller turning the airplane counterclockwise.
gyroscopic forces applied to the rotating propeller blades acting 90? in advance of the point the force was applied.

165. Question

The instruments usually powered by a vacuum pump system are:

(1) Direction Indicator,
(2) Turn Coordinator,
(3) Attitude Indicator or Artificial Horizon,
(4) Altimeter,
(5) Magnetic Compass.

Select one:

(1) and (2).
(1) (3) and (5).
(1) and (3).
(1) (2) and (4).

166. Question

The mechanical tachometer:

Select one:

Is driven directly from the prop shaft. Gears reduce the speed of rotation so that a generator can be used to produce a voltage proportional to shaft speed which is indicated on a gauge calibrated in RPM.
Is driven directly from the alternator drive.
Works on the principle of a magnetic field being induced in a drag-cup and creating a torque which rotates a shaft attached to the pointer on the dial of a tachometer.
Uses the friction generated in a drag-cup to rotate a shaft, which is connected to a pointer, against the pressure of a hairspring.

167. Question

The inner cylinder of the shock absorber is prevented from rotating inside the outer cylinder by:

Select one:

None of the above since it is designed to be able to rotate to allow steering.
Torque Links.
Restrictors
The Steering Jacks.

168. Question

The high tension (voltage) supply to the spark plugs is supplied from:

Select one:

The magneto and is independent of the aircraft electrical system.
The alternator.
The battery on engine start-up and low idle, and the magneto once the engine is running at fast idle.
The magneto, supplied from the aircraft electrical system.

169. Question

The gyroscope in an artificial horizon is:

Select one:

An Earth gyroscope rotating in a vertical plane about the aircraft's longitudinal axis.
An Earth gyroscope rotating in a horizontal plane about a vertical spin axis.
An Earth gyroscope rotating in a vertical plane about the aircraft's lateral axis.
A tied gyroscope rotating in a horizontal plane about the aircraft's longitudinal axis.

170. Question

The gyro in an artificial horizon is;

Select one:

an earth gyro rotating in a vertical plane about the aircraft's longitudinal axis.
a tied gyro rotating in a horizontal plane about the aircraft's longitudinal axis.
an earth gyro rotating in a horizontal plane about a vertical axis.
an earth gyro rotating in a vertical plane about the aircraft's lateral axis.

171. Question

The distributor arm rotates at:

Select one:

Twice engine speed
One quarter engine speed.
Engine speed.
A half engine speed.

172. Question

The green arc on the airspeed indicator shows the:

Select one:

Caution range.
Flap operating range.
Normal operating range.
VNE range.

173. Question

The directional gyro keeps its rotation axis aligned toward:

Select one:

Geographic North.
A point in space.
Magnetic North.
A point on the Earth's surface.

174. Question

A light aircraft electrical power system employs a centre-zero reading ammeter. In flight with the battery fully charged and the battery switch ON, you would expect the ammeter to be:

Select one:

fluctuating, but mainly showing a negative reading.
to the left showing a negative reading.
to the right showing a large positive reading.
in the centre-zero position.

175. Question

The Design Ultimate Load is minimum:

Select one:

1.5 x Design Limit Load.
1.125 x Proof Load.
1.125 x Design Limit Load.
1.5 x Proof Load.

176. Question

The cylinders of a piston engine are finned in order to:

Select one:

Streamline airflow around the cylinder.
Increases the strength of the cylinder.
Improve cooling by increasing their surface area.
Decrease weight.

177. Question

The crankshaft in a piston engine:

Select one:

Converts rotary motion into reciprocating movement.
Rotates at half camshaft speed.
Converts reciprocating movement into rotary motion.
Controls the clearance of the valves.

178. Question

The cylinder head temperature gauge;

Select one:

requires alternating current to power the instrument needle.
obtains its information from a probe which is installed about four inches from the cylinder head on the exhaust system.
is primarily a fuel management instrument.
obtains its temperature information from the hottest engine cylinder, by means of a probe consisting of two dissimilar metals joined together.

179. Question

The correct working cycle of a four stroke engine is:

Select one:

Induction, power, compression, exhaust.
Exhaust, induction, power, compression.
Induction, compression, power, exhaust.
Exhaust, power, induction, compression.

180. Question

The compression ratio of a piston engine is the ratio of the:

Select one:

total cylinder volume to swept volume.
cylinder volume when the piston is at BDC to the cylinder volume when the piston is at top dead center (TDC).
total cylinder volume to the volume when the piston is at bottom dead centre (BDC).
swept volume to clearance volume.

181. Question

The compression ratio is:

Select one:

Total cylinder volume / swept volume.
Total cylinder volume / Volume when piston is BDC.
Cylinder volume when piston is BDC / cylinder volume when piston is TDC.
Cylinder volume when piston is TDC / Cylinder volume when piston is BDC.

182. Question

The basic purpose of adjusting the fuel/air mixture at altitude is to

Select one:

decrease the amount of fuel in the mixture in order to compensate for increased air density.
decrease the fuel flow in order to compensate for decreased air density.
increase the amount of fuel in the mixture to compensate for the decrease in pressure and density of the air.

183. Question

The basic properties of a gyroscope are:

Select one:

Precession and rigidity.
Precession and torque.
Torque and inertia.
Rigidity and inertia.

184. Question

The ‘Ply Rating’ of a tire:

Select one:

Indicates the number of rayon or nylon cords.
Has nothing to do with the strength of the tire.
Shows how many breaker strips are embedded in the tire.
It is an index of the strength of the tire.

185. Question

Temperature of the gases within the cylinder of a four stroke engine during the power stroke will:

Select one:

Follow Charles’s low.
Decrease.
Remain constant.
Increase.

186. Question

Some of the main uses of oil within an engine are:

Select one:

Lubrication, cooling, and cleaning.
Cooling, shock absorption and lubrication.
Lubrication, cleaning and heating.
Lubrication, cooling and heating.

187. Question

Semi-monocoque can be defined as:

Select one:

an apertureless structure with load bearing formers being supported by stringers and longerons over a stressed skin.
a stressed skin with supported apertures containing an internal structure framework.
a structure with no apertures at all.
a framework of light-gauge steel tubes welded together to form a space frame of triangular shape.

188. Question

Rigidity in a gyroscope is:

Select one:

The reaction 90° in the direction of rotation when applying force to the spinning wheel.
To what extremes the flight attitudes might be before the gyro topples.
The tendency it has to remain in its plane of rotation and resist attempts to alter its position.
A way to express the stability of the inner and outer gimbal rings.

189. Question

Propeller blade angle of attack is the angle between the chord and the:

Select one:

direction of axis of the propeller.
relative airflow.
aeroplane heading.
vector of True Air Speed.

190. Question

Prior to takeoff, the altimeter should be set to I which altitude or altimeter setting?

Select one:

The corrected pressure altitude for the departure airport.
The current local altimeter setting, if available, or the departure airport elevation.
The corrected density altitude of the departure airport.

191. Question

Prior to start, when priming the engine the fuel is usually delivered into:

Select one:

The cylinder combustion chamber.
The fuel booster pump.
The carburetor.
The inlet valve port or the induction manifold.

192. Question

Pre-ignition:

Select one:

is also known as "pinking".
is usually caused by a hot spot in the combustion chamber.
occurs after ignition.
happens after the spark occurs at the plug.

193. Question

One disadvantage of a dry vacuum pump when compared to a wet vacuum pump is that:

Select one:

dry pumps are tolerant of contamination.
dry pumps require regular lubricating.
dry pumps tend to be less reliable.
dry pumps fail catastrophically with no warning.

194. Question

On your instrument panel, the suction gauge is showing system failure. However, the gyro-driven instruments appear to be functioning normally, and the Low Vacuum Warning Light is off. Where do you think the problem lies ?

Select one:

In the suction gauge.
With the Low Vacuum Warning Light.
In the suction system.
In the gyro driven instruments.

195. Question

On which part of the airplane is the red navigation light?

Select one:

On the fin.
On the left wing.
On the right wing.

196. Question

On aircraft equipped with fuel pumps, the practice of running a fuel tank dry before switching tanks is considered unwise because

Select one:

any foreign matter in the tank will be pumped into the fuel system.
the engine-driven fuel pump is lubricated by fuel and operating on a dry tank may cause pump failure.
the engine-driven fuel pump or electric fuel boost pump may draw air into the fuel system and cause vapor lock.

197. Question

On a light aircraft fitted with a mechanically steered nose wheel, steering on the ground is normally effected by:

Select one:

control rods/cables operated by the rudder pedals.
use of the differential braking technique, only.
cables operated from the aileron control wheel.
hydraulic jacks which allow self-centering.

198. Question

On a fixed pitch propeller aircraft whose engine is fitted with a carburettor, the indications of induction system icing are:

Select one:

a sudden drop in RPM and engine temperature.
a rise in engine oil temperature and a fall in oil pressure.
a gradual drop in RPM and possible rough running and vibration.
a rise in manifold pressure and a reduction in air-speed, in level flight.

199. Question

Of the heat released during the operation of a piston engine;

Select one:

approximately 70% is retained within the engine itself.
approximately 30% is converted into useful power.
approximately 70% is usefully transformed into power.
approximately 70% leaves with the exhaust gas.

200. Question

Of the following, which will increase the angle of attack of a fixed-pitch propeller blade?

Select one:

Increased TAS and decreased RPM.
Increased TAS and increased RPM.
Decreased TAS and increased RPM.
Decreased TAS and decreased RPM.

201. Question

Of the following, which will decrease the angle of attack of a fixed-pitch propeller blade?

Select one:

Decreased TAS and increased RPM.
Increased TAS and increased RPM.
Decreased TAS and decreased RPM.
Increased TAS and decreased RPM.

202. Question

Most nose wheels on modern light aircraft are:

Select one:

Oleo pneumatic shock-absorber struts.
Compressed rubber struts.
Spring steel struts.
Spring coil struts.

203. Question

Magnetos are:

Select one:

Used to generate low voltage sparks for the spark-plugs.
Fitted with a distributor, and fire at the sequence as the spark-plugs.
Generators, driven by the cam-shaft, used to supply electrical equipment.
Self contained, engine driven, electrical generators which produce high voltage sparks.

204. Question

Magnetic compasses suffer from a problem called dip, which is:

Select one:

the deviation which cannot be eliminated by a compass swing.
the tendency of the needle to tilt during turns.
is caused by the horizontal component of the earth's magnetic field present at all latitudes.
is caused by the vertical component of the earth's magnetic field present at high latitudes.

205. Question

Instruments normally supplied from the electrical system include the:

Select one:

fuel quantity gauges and the turn co-ordinator.
engine RPM indicator and the turn co-ordinator.
turn co-ordinator and oil pressure gauge.
engine RPM indicator and the fuel quantity gauges.

206. Question

In what flight condition is torque effect the greatest in a single-engine airplane?

Select one:

High airspeed, high power, high angle of attack.
Low airspeed, low power, low angle of attack.
Low airspeed, high power, high angle of attack.

207. Question

In the event of an oil cooler blockage in flight, a by pass valve will operate to circumvent the cooler. This by pass valve is:

Select one:

Density dependent.
Temperature activated.
Pressure dependent.
Manually selected.

208. Question

In regard to preflighting an aircraft, what is the minimum expected of a pilot prior to every flight?

Select one:

Perform a walk-around inspection of the aircraft.
Check the required documents aboard the aircraft.
Drain fuel from each quick drain.

209. Question

In the aircraft tanks, fuel is most likely to be contaminated by water from:

Select one:

Poorly fitting fuel caps.
Atmosphere air remaining in the tanks.
Contamination during refueling.
Leaks in the tanks that have let in rain.

210. Question

In a single-engine, propeller-driven aircraft, the torque reaction of a clockwise rotating propeller (as seen from the pilot’s seat) will tend to cause:

Select one:

Left roll and left yaw during take-off.
Left roll and right yaw during take-off.
Right roll and right yaw during take-off.
Right roll and left yaw during take-off.

211. Question

In a piston engine the high tension supply to the spark plugs is derived from:

Select one:

The battery during start and the magneto once engine is running.
The magneto’s self contained generation and distribution system.
This magneto during start and the battery once engine is running.
The battery.

212. Question

In a low wing monoplane with the fuel tanks in the wing what is the safeguard against fuel starvation should the engine driven pump fail?

Select one:

The use of an emergency hand pump.
The principle of Gravity Feed.
The presence of the electric fuel pump.
The presence of the accelerator pump in the carburettor.

213. Question

In a left turn, the ball of the turn coordinator is out to the right, what corrective action is required?

Select one:

Decrease elevator pitch.
More left bank.
More left rudder.
More right bank.

214. Question

In a four-stroke engine the purpose of the crankshaft is to:

Select one:

Convert rotary motion into linear motion.
Convert reciprocating motion into rotary motion.
Convert rotary motion into reciprocating motion.
Control the inlet and exhaust valve recoil.

215. Question

In a four stroke piston engine a normal “Otto” cycle each valve will open:

Select one:

Twice.
Three times.
Once.
Four times.

216. Question

In a carburator the purpose of an accelerator pump is to:

Select one:

Increase fuel delivery pressure.
Avoid a weak-cut when the throttle is rapidly advanced.
Ensure the correct volume of fuel is delivered to the cylinders.
Ensure sufficient fuel is available at altitude.

217. Question

If, while an aircraft is descending, the static vent leading to the Vertical Speed Indicator becomes blocked, the indicator will:

Select one:

Indicate a descent.
Indicate a climb.
Show a zero reading, after a short delay.
Continue to show the same reading.

218. Question

If, during descent, the static sources to the airspeed indicator and altimeter become blocked by ice;

Select one:

the airspeed indicator will under-read and the altimeter will over-read.
the airspeed indicator will over-read and the altimeter will under-read.
both instruments will over-read.
both instruments will under-read.

219. Question

If water is present in the fuel system it will cause:

Select one:

Icing.
Carburetor icing.
The fuel to freeze.
Contamination and loss of engine power.

220. Question

If there are metallic objects close to an aircraft’s magnetic compass:

Select one:

They will cause errors in the indications of the compass.
The Direction Indicator will not be able to be synchronized with the compass.
They will have a significant effect on magnetic variation.
They should have no effect on compass indications.

221. Question

If the power supply to the pitot heater failed during flight in icing conditions and the aircraft subsequently descended, the readings on the Altimeter, the VSI and the ASI would, if ice had blocked the pitot (Total Pressure) tube: Altimeter VSI ASI

Select one:

read Correctly under-read over-read
read Correctly read Correctly over-read
read Correctly read Correctly under-read
under-read read Correctly over-read

222. Question

If the pitot tube and outside static vents become clogged, which instruments would be affected?

Select one:

The altimeter, airspeed indicator, and turn-and-slip indicator.
The altimeter, airspeed indicator, and vertical speed indicator.
The altimeter, airspeed indicator, outside air temperature indicator and vertical speed indicator.
The altimeter, attitude indicator, and turn-and-slip indicator.

223. Question

If the needle and the ball of a Turn & Slip indicator both show right, what does it indicate:

Select one:

Turn to right & too little bank.
Turn to left & too little bank.
Turn to right & too much bank.
Turn to left & too much bank.

224. Question

If the only alternator or generator fails during flight:

Select one:

The master switch should be turned off and the flight aborted.
No action needs to be taken.
The electrical loads should be reduced to a minimum and the flight aborted.
An emergency landing should be carried out as soon as possible, because the engine ignition system gets its supply from the aircraft battery.

225. Question

If the grade of fuel used in an aircraft engine is lower than specified for the engine, it will most likely cause:

Select one:

preignition.
lower cylinder head temperatures.
a mixture of fuel and air that is not uniform in all cylinders.
detonation.

226. Question

If the engine oil temperature and cylinder head temperature gauges have exceeded their normal operating range, the pilot may have been operating with

Select one:

the mixture set too rich.
higher-than-normal oil pressure.
too much power and with the mixture set too lean.

227. Question

If an altimeter setting is not available before flight, to which altitude should the pilot adjust the altimeter?

Select one:

The elevation of the nearest airport corrected to mean sea level.
The elevation of the departure area.
Pressure altitude corrected for nonstandard temperature.

228. Question

If the engine gets too hot, the mixture may ignite before the spark plug fires:

Select one:

The throttle should be opened to assist in cooling the engine.
This is called detonation.
This is called pre-ignition.
The mixture should be weakened to assist in cooling the engine.

229. Question

If an aircraft with a fixed pitch propeller accelerates without moving the throttle, what will be the effect (if any) on engine RPM?

Select one:

No effect on engine RPM.
Engine RPM will stay constant.
Engine RPM will decrease.
Engine RPM will increase.

230. Question

If an aircraft is equipped with a fixed-pitch propeller and a float-type carburetor, the first indication of carburetor ice would most likely be

Select one:

loss of RPM.
a drop in oil temperature and cylinder head temperature.
engine roughness.

231. Question

If a pilot suspects that the engine (with a fixed-pitch propeller) is detonating during climb-out after takeoff, the initial corrective action to take would be to

Select one:

lower the nose slightly to increase airspeed.
lean the mixture.
apply carburetor heat.

232. Question

If a Circuit Breaker “pops” or “trips”, how many times can it be re-set?

Select one:

Not allowed to reset.
Once.
Not limited.
Twice.

233. Question

If a circuit breaker trips, which of the following actions is acceptable?

Select one:

Under no circumstance attempt to replace it.
Immediately reset it.
Reset to a lower value only.
Allow it to cool then make one attempt only to reset it.

234. Question

How soon after starting a cold aircraft engine should the oil pressure gauge give an indication?

Select one:

Within 30 seconds; otherwise shutdown the engine.
Immediately; otherwise shutdown the engine.
As long as the oil levels were at adequate level before start up, and RPM is within limits, it is probable that the oil pressure gauge is faulty and should be reported after the flight.
By the time pre-flight checks are complete; otherwise shutdown the engine.

235. Question

How should the throttle be operated on take off?

Select one:

As required by the air traffic situation.
Always open smoothly, to avoid “weak cut”, allowing the engine to respond as fast as it is able, and permitting the mixture-strength and charge quantity to change in line with the engine requirements.
Normally smoothly, but may be opened abruptly if several aircraft are waiting to take-off.
Open smoothly, following a count of three.

236. Question

How longitudinal (fore and aft) structural members of a semi-monocoque fuselage are called?

Select one:

Longerons and stringers.
Spars and ribs.
Ribs and stringers.

237. Question

How is engine operation controlled on an engine equipped with a constant-speed propeller?

Select one:

The throttle controls engine RPM as registered on the tachometer and the mixture control regulates the power output.
The throttle controls power output as registered on the manifold pressure gauge and the propeller control regulates engine RPM.
The throttle controls power output as registered on the manifold pressure gauge and the propeller control regulates a constant blade angle.

238. Question

How does an aircraft certificated in the Normal or Utility Category compare with an aircraft certificated in the Aerobatic Category?

Select one:

The Normal/Utility Category aircraft will have positive and negative load factor limits that are lower than those of the Aerobatic Category aircraft.
The Normal/Utility Category aircraft will have positive and negative load factor limits that are the same as those of the Aerobatic Category aircraft.
The Normal/Utility Category aircraft will have positive and negative load factor limits that are higher than those of the Aerobatic Category aircraft.
The Normal/Utility Category aircraft will have the same positive load factor limits but higher negative load factor limits than the Aerobatic Category aircraft.

239. Question

How do you apply pressure on the rudder without applying brakes?

Select one:

Pressing on the lower portion of the pedal.
Pressing on the upper portion of the pedal.
Setting parking brake leaver to OFF position.
Disengaging parking brake.

240. Question

How do variations in temperature affect the altimeter?

Select one:

Temperatures changes do not have any influence on altimeter readings.
Higher temperatures expand the pressure levels and the indicated altitude is higher than true altitude.
Pressure levels are raised on warm days and the indicated altitude is lower than true altitude.
Lower temperatures lower the pressure levels and the indicated altitude is lower than true altitude.

241. Question

Heaving reached the top of climb, when flying an aircraft fitted with a fixed pitch propeller, the mixture should be adjusted for the cruise. One way of doing this is to:

Select one:

Adjust the mixture until the rpm rises to its maximum available value.
Lean the mixture until the rpm rises then falls slightly, then make the mixture richer until the rpm rises and falls slightly once more.
Lean the mixture until the rpm rises then falls slightly.
Make the mixture richer until the rpm rises than falls slightly, then make the mixture leaner until the rpm rises and falls slightly once more.

242. Question

Generally speaking, the use of carburetor heat tends to:

Select one:

Ensure the correct volume of fuel is delivered to the cylinders.
have no effect on engine performance.
decrease engine performance.
increase engine performance.

243. Question

Gyroscopes are used in the:

Select one:

Attitude indicator, Turn Coordinator and Direction Indicator.
Altimeter, Turn Coordinator and Heading Indicator.
Altimeter, Turn Coordinator and Attitude indicator.
Attitude indicator, Airspeed indicator, Turn Coordinator and Direction Indicator.

244. Question

For internal cooling, reciprocating aircraft engines are especially dependent on

Select one:

the circulation of lubricating oil.
air flowing over the exhaust manifold.
a properly functioning thermostat.

245. Question

For an aircraft in flight the pressure entering the forward facing hole of a Pitot tube is?

Select one:

Dynamic pressure.
Static pressure.
Dynamic pressure plus Pitot pressure.
Dynamic and static pressure.

246. Question

Flying control locks are used:

Select one:

In the air in the event of the failure of rigging to a control surface.
On the ground to ensure that the control surfaces are not damaged in high winds.
On the ground to ensure that the trim tabs are not damaged in high winds.
In the air to ease the pilot’s workload.

247. Question

First important check after engine start-up?

Select one:

Oil pressure.
Fuel pressure.
Oil temperature.
Radio and avionics ON.

248. Question

Filling the fuel tanks after the last flight of the day is considered a good operating procedure because this will

Select one:

force any existing water to the top of the tank away from the fuel lines to the engine.
prevent moisture condensation by eliminating airspace in the tanks.
prevent expansion of the fuel by eliminating airspace in the tanks.

249. Question

Explain the difference between pitot, total, static and dynamic pressures.

Select one:

Static pressure = atm pressure outside; Dynamic = pressure caused by movement through the air = Pitot pressure; total pressure = Static + dynamic.
Static pressure = atm pressure outside=Pitot pressure; Dynamic = pressure caused by movement through the air; total pressure = Static + dynamic.
Static pressure = Pitot pressure; Dynamic = pressure caused by movement through the air; total pressure = atm pressure outside = Static + dynamic.
Static pressure = atm pressure outside; Dynamic = pressure caused by movement through the air; Pitot = total pressure = Static + dynamic.

250. Question

Engine compression ratio is the ratio of the:

Select one:

swept volume to the clearance volume.
swept volume to the total volume.
clearance volume to the swept volume.
total volume to the clearance volume.

251. Question

Excessively high engine temperatures will

Select one:

cause loss of power, excessive oil consumption, and possible permanent internal engine damage.
not appreciably affect an aircraft engine.
cause damage to heat-conducting hoses and warping of the cylinder cooling fins.

252. Question

Dynamic pressure is found in the ASI by:

Select one:

Subtracting static line pressure from pitot tube pressure.
Subtracting pitot tube pressure from static line pressure.
Subtracting total pressure from static line pressure.
Adding static line pressure and pitot tube pressure.

253. Question

During the take off roll, what affect does torque have on an aircraft with a clockwise rotating propeller ?

Select one:

Weight on left wheel increased, weight on right wheel decreased.
Weight on right wheel increased, weight on left wheel decreased.
Weight on left wheel decreased, weight on right wheel increased.
Weight on left wheel increased, weight on right wheel remains constant.

254. Question

During pre-flight checks, water in the fuel system is monitored. This is because water will cause:

Select one:

The fuel to freeze.
Emulsification of the fuel in the fuel lines which could cause them to become blocked.
Icing.
Fuel system contamination resulting in the loss of engine power.

255. Question

During one complete “Otto” cycle each piston will move:

Select one:

Up twice and down twice.
Up once and down twice.
Up twice and down once.
Up once and down once.

256. Question

During flight, when are the indications of a magnetic compass accurate?

Select one:

As long as the airspeed is constant.
Only on the ground, when aircraft is aligned along the runway center line.
During turns if the bank does not exceed 18°.
Only in straight-and-level unaccelerated flight.

257. Question

During flight you suspect that the static line may be blocked and elect to use the alternate static source. When compared to the main static source, alternate static pressure is:

Select one:

Either higher or lower depending on the ambient pressure.
Lower.
Higher.
The same.

258. Question

During a prolonged climb, you notice that the engine oil pressure is reducing and the oil temperature rising. You discount any failure of the lubrication system. What, then, is the most probable cause and remedy?

Select one:

You are climbing at too high an airspeed causing overcooling of the lubrication system, thus increasing oil viscosity. You reduce power and reduce airspeed.
You are climbing at too high an airspeed causing overcooling of the lubrication system, thus lowering oil viscosity. You increase power but reduce airspeed.
The low airspeed and high engine speed associated with the climb are reducing cooling of the lubrication system, thus increasing oil viscosity. You increase power and reduce airspeed.
The low airspeed and high engine speed associated with the climb are reducing cooling of the lubrication system, thus lowering oil viscosity. You reduce power and increase airspeed.

259. Question

Deviation in a magnetic compass is caused by the:

Select one:

Difference in the location between true north and magnetic north.
Presence of flaws in the permanent magnets of the compass.
Foreign objects placed next to it.
Magnetic fields within the aircraft distorting the lines of magnetic force.

260. Question

Detonation occurs in a reciprocating aircraft engine when

Select one:

hot spots in the combustion chamber ignite the fuel/air mixture in advance of normal ignition.
the unburned charge in the cylinders explodes instead of burning normally.
the spark plugs are fouled or shorted out or the wiring is defective.

261. Question

Detonation is:

Select one:

Usually associated with a rich mixture and high cylinder head temperature.
Usually associated with a weak mixture and low cylinder head temperature.
Unstable combustion.
The explosion that occurs before the normal ignition point.

262. Question

Detonation is:

Select one:

Harmful to the pistons.
Cannot be identified externally.
Part of normal engine running.
Also known as “piston slap”.

263. Question

Connecting two 12 volt, 40 ampere-hour, capacity batteries in series will provide a battery of:

Select one:

12 volts and 80 ampere-hours capacity.