Exam quiz Aircraft General Knowledge - PPL(H) - Private Pilot License

Question 1

Which statement about the magnetic compass is correct?

Accepted Answer

It is affected by acceleration, turning and nearby magnetic fields.

Answer

It is unaffected by aircraft electrical equipment.

Answer

It measures true north directly.

Answer

It needs pitot pressure to operate.

Question 2

Which gauges involve a measurement of temperature?

Accepted Answer

Engine lubricant, engine cooling fluid, cylinder head, exhaust gas, outside air, cabin air

Answer

Engine lubricant, exhaust gas, outside air, cabin air, directional gyro

Answer

Engine lubricant, cylinder head, exhaust gas, suction, outside air, cabin air

Answer

Engine oil, cylinder head, exhaust gas, altimeter, airspeed indicator, vertical speed indicator

Question 3

Which method of measurement is mostly used for the fuel supply indication on helicopters?

Accepted Answer

Capacitive measurement

Answer

Dipstick measurement

Answer

Flow measurement

Answer

Inductive measurement

Question 4

Which statement about total pressure is correct?

Accepted Answer

It is sensed by the pitot tube when exposed to the airflow.

Answer

It is always equal to QNH.

Answer

It is measured in the fuel tank.

Answer

It is the pressure in the hydraulic accumulator only.

Question 5

What is necessary for the determination of speed (IAS) by the airspeed indicator?

Accepted Answer

The difference between the total pressure and the static pressure

Answer

The difference between the dynamic pressure and the static pressure

Answer

The difference between the total pressure and the dynamic pressure

Answer

The difference between the standard pressure and the total pressure

Question 6

Which statement about a circuit breaker is correct?

Accepted Answer

It protects an electrical circuit from excessive current.

Answer

It is used to adjust blade tracking.

Answer

It increases fuel pressure mechanically.

Answer

It sets the altimeter to QFE.

Question 7

What cylinder arrangement is common in helicopters with piston engines?

Accepted Answer

Boxer engine

Answer

Radial engine

Answer

Line engine

Answer

V-type engine

Question 8

Which of the mentioned cockpit instruments is connected to the pitot tube?

Accepted Answer

Airspeed indicator

Answer

Vertical speed indicator

Answer

Altimeter

Answer

Direct-reading compass

Question 9

Which statement about a governor is correct?

Accepted Answer

It helps maintain selected rotor or engine RPM within its operating range.

Answer

It replaces the pilot's lookout.

Answer

It controls QNH automatically.

Answer

It prevents all mast bumping.

Question 10

Which statement about drive belts is correct?

Accepted Answer

condition and tension must be within approved limits.

Answer

They require no inspection once installed.

Answer

They may be repaired with household adhesive.

Answer

They are unaffected by heat, UV and operating time.

Question 11

Which statement about carburettor icing is correct?

Accepted Answer

It can occur even when the outside air temperature is above freezing.

Answer

It occurs only below -20°C.

Answer

It is impossible in humid air.

Answer

It increases engine power.

Question 12

What is the meaning of the red range on the airspeed indicator?

Accepted Answer

Speed which must not be exceeded regardless of circumstances

Answer

Speed which must not be exceeded within bumpy air

Answer

Speed which must not be exceeded with flaps extended

Answer

Speed which must not be exceeded in turns with more than 45° bank

Question 13

The measurement of altitude is based on the change of the...

Accepted Answer

Static pressure.

Answer

Dynamic pressure.

Answer

Total pressure.

Answer

Differential pressure.

Question 14

Which statement about the main gearbox is correct?

Accepted Answer

It reduces engine output speed and transmits power to the rotor system.

Answer

It stores the emergency locator transmitter.

Answer

It measures outside air temperature.

Answer

It replaces the clutch.

Question 15

QNE is the...

Accepted Answer

Altitude above the reference pressure level 1013.25 hPa.

Answer

Barometric pressure at a reference datum, typically the runway threshold of an aerodrome.

Answer

Magnetic bearing to a station.

Answer

Barometric pressure adjusted to sea level, using the international standard atmosphere (ISA).

Question 16

Which statement about a clutch is correct?

Accepted Answer

It allows engine power to be engaged progressively to the rotor system.

Answer

It measures manifold pressure.

Answer

It stores hydraulic pressure.

Answer

It replaces the tail rotor.

Question 17

Which statement about transparent windscreens is correct?

Accepted Answer

cleaning should use approved materials to avoid scratches or crazing.

Answer

They require no inspection once installed.

Answer

They may be repaired with household adhesive.

Answer

They are unaffected by heat, UV and operating time.

Question 18

The electrical power supply in a helicopter is normally provided by: 1. Battery 2. Generator 3. Relay 4. Circuit breaker

Accepted Answer

1 and 2

Answer

3 and 4

Answer

2 and 3

Answer

1 and 4

Question 19

Which statement about a piston engine manifold pressure gauge is correct?

Accepted Answer

It indicates induction pressure and is related to engine power.

Answer

It indicates magnetic variation.

Answer

It measures rotor blade coning.

Answer

It displays DME distance.

Question 20

What happens during oil filter clogging?

Accepted Answer

A bypass valve opens thus enabling the circulation to continue, debris will not be filtered

Answer

The oil circulation will end after 30 minutes so that a proper engine run will not be guaranteed

Answer

A bypass valve opens thus enabling the circulation to continue, debris will be filtered by an alternate filter

Answer

The oil circulation will end after 15 minutes so that a proper engine run will not be guaranteed

Question 21

The trim is used to...

Accepted Answer

Adapt the control force.

Answer

Lock control elements.

Answer

Move the centre of gravity.

Answer

Increase adverse yaw.

Question 22

What is a likely consequence of low hydraulic pressure?

Accepted Answer

control forces may increase on hydraulically boosted systems.

Answer

The altimeter automatically resets to standard pressure.

Answer

The aircraft becomes exempt from maintenance requirements.

Answer

The transponder changes to emergency code automatically.

Question 23

QFE is the...

Accepted Answer

Barometric pressure at a reference datum, typically the runway threshold of an aerodrome.

Answer

Barometric pressure adjusted to sea level, using the international standard atmosphere (ISA).

Answer

Magnetic bearing to a station.

Answer

Altitude above the reference pressure level 1013.25 hPa.

Question 24

A flight level is a...

Accepted Answer

Pressure altitude.

Answer

True altitude.

Answer

Altitude above ground.

Answer

Density altitude.

Question 25

During a flight in an air mass with a temperature equal to ISA and the QNH set correctly, the indicated altitude is...

Accepted Answer

Equal to the true altitude.

Answer

Lower than the true altitude.

Answer

Higher than the true altitude.

Answer

Equal to the standard atmosphere.

Question 26

The mast bearing on the upper gearbox output acts against...

Accepted Answer

Traction and bending forces.

Answer

Torsions.

Answer

Torques.

Answer

Contact pressure.

Question 27

What is the advantage of a gyrodyne compared to a helicopter?

Accepted Answer

High airspeed in cruise

Answer

Large centre of gravity limits

Answer

No gearbox is necessary

Answer

Low fuel consumption

Question 28

Which part of the cycle of a four-stroke Otto engine can be seen in the attachment? Use figure (AGK-008)

Accepted Answer

Second stroke - compression

Answer

First stroke - induction

Answer

Third stroke - power

Answer

Fourth stroke - exhaust

Question 29

Which action best supports safe management of fuel drain sampling?

Accepted Answer

Drain and visually check samples where required.

Answer

Delay the decision until after take-off.

Answer

Use the item only if requested by passengers.

Answer

Ignore it when the helicopter has sufficient fuel.

Question 30

Calibrated airspeed (CAS) equals...

Accepted Answer

Indicated airspeed (IAS) corrected for instrument and position error.

Answer

Ground speed (GS) corrected for instrument and position error.

Answer

True airspeed (TAS) corrected for wind.

Answer

Equivalent airspeed (EAS) corrected for altitude.

Question 31

What difference in altitude is shown by an altimeter, if the reference pressure scale setting is changed from 1000 hPa to 1010 hPa?

Accepted Answer

80 m more than before

Answer

Values depending on QNH

Answer

Zero

Answer

80 m less than before

Question 32

Why is warning and caution lights important for a PPL(H) flight?

Accepted Answer

They provide early indication of abnormal system conditions.

Answer

It is relevant only to airline transport operations.

Answer

It can be ignored when the flight remains local.

Answer

It is replaced by passenger preference.

Question 33

An aircraft in the northern hemisphere intends to turn on the shortest way from a heading of 030° to a heading of 180°. At approximately which indicated magnetic heading should the turn be terminated?

Accepted Answer

210°.

Answer

150°.

Answer

360°.

Answer

180°.

Question 34

What does the dynamic pressure depend directly on?

Accepted Answer

Air density and airflow speed squared

Answer

Lift- and drag coefficient

Answer

Air pressure and air temperature

Answer

Air density and lift coefficient

Question 35

Why is battery condition important for a PPL(H) flight?

Accepted Answer

It affects starting capability and emergency electrical endurance.

Answer

It is relevant only to airline transport operations.

Answer

It can be ignored when the flight remains local.

Answer

It is replaced by passenger preference.

Question 36

Which statement about engine oil pressure is correct?

Accepted Answer

A low or falling indication may require immediate action according to the flight manual.

Answer

It is unrelated to engine lubrication.

Answer

It is corrected by changing QNH.

Answer

It normally increases to zero in cruise.

Question 37

Which statement about the pitot-static system is correct?

Accepted Answer

It supplies pressure information to instruments such as the airspeed indicator and altimeter.

Answer

It powers the landing light.

Answer

It lubricates the main rotor bearing.

Answer

It controls the ELT antenna.

Question 38

What is a likely consequence of incorrect QNH set on the altimeter?

Accepted Answer

the indicated altitude will be wrong.

Answer

The altimeter automatically resets to standard pressure.

Answer

The aircraft becomes exempt from maintenance requirements.

Answer

The transponder changes to emergency code automatically.

Question 39

What is the major task of a carburettor?

Accepted Answer

To produce an ignitable air/fuel mixture

Answer

To provide additional fuel to cool the engine

Answer

To pump fuel from the tanks into the cylinder

Answer

To control the aircraft's speed through the throttle valve

Question 40

Which is the purpose of the altimeter subscale?

Accepted Answer

To reference the altimeter reading to a predetermined level such as mean sea level, aerodrome level or pressure level 1013.25 hPa

Answer

To set the reference level for the altitude decoder of the transponder

Answer

To adjust the altimeter reading for non-standard temperature

Answer

To correct the altimeter reading for system errors

Question 41

The bank angle of a 2-minutes circle depends on the...

Accepted Answer

TAS.

Answer

CAS.

Answer

IAS.

Answer

Ground speed.

Question 42

What allows the removal of drag hinges in semi-rigid rotor systems?

Accepted Answer

Rotor blade attachment below the central flapping hinge

Answer

Use of a gimbal ring with central flapping hinge

Answer

Geometric or aerodynamic twist of the rotor blades

Answer

Additional cone hinges on the rotor head

Question 43

Which action best supports safe management of seat and harness locking?

Accepted Answer

Check adjustment and locking before start.

Answer

Delay the decision until after take-off.

Answer

Use the item only if requested by passengers.

Answer

Ignore it when the helicopter has sufficient fuel.

Question 44

Which statement about a transponder is correct?

Accepted Answer

It replies to secondary surveillance radar interrogations.

Answer

It measures wind direction.

Answer

It stores engine oil.

Answer

It replaces the magnetic compass.

Question 45

Cylinder head temperature indication relates to...

Accepted Answer

The critical cylinder.

Answer

The average of all cylinders.

Answer

All Cylinders.

Answer

A random cylinder.

Question 46

How can the pitch angle on a helicopter's rotor blade be controlled?

Accepted Answer

By control rods

Answer

By electrical impulses

Answer

By electric motors

Answer

By cam rods

Question 47

The sandwich structure consists of two...

Accepted Answer

Thin layers and a light core material.

Answer

Thick layers and a light core material.

Answer

Thin layers and a heavy core material.

Answer

Thick layers and a heavy core material.

Question 48

The load factor "n" describes the relationship between...

Accepted Answer

Lift and weight.

Answer

Drag and lift.

Answer

Thrust and drag.

Answer

Weight and thrust.

Question 49

A spider control...

Accepted Answer

Changes the pitch angle of the rotor blades via an internal control rod.

Answer

Feeds fuel by the rotational movement of pistons with various lengths.

Answer

Prevents the overlay of collective and periodic control inputs on the main rotor.

Answer

Changes the ignition timing of the magneto ignition during start-up.

Question 50

What might be the reason for scratches on the tail stringer?

Accepted Answer

Contact with ground

Answer

Old colour

Answer

Intense erosion

Answer

Rotor blade contact

Question 51

Lower-than-standard temperature may lead to...

Accepted Answer

An altitude indication which is too high.

Answer

A correct altitude indication as long as the altimeter subscale is set to correct for non-standard temperature.

Answer

A blockage of the Pitot tube by ice, freezing the altimeter indication to its present value.

Answer

An altitude indication which is too low.

Question 52

Which statement about the vertical speed indicator is correct?

Accepted Answer

It uses static pressure rate of change to indicate climb or descent.

Answer

It measures ground speed by GPS only.

Answer

It measures engine torque.

Answer

It indicates tail rotor thrust.

Question 53

Which components do rotor blades made of metal contain?

Accepted Answer

Spar of steel, filling material of aluminum, and outer skin of aluminum

Answer

Spar of titan, filling material of stainless steel, and outer skin of steel

Answer

Spar of lead, filling material of steel, and outer skin of stainless steel

Answer

Spar of aluminum, filling material of titan, and outer skin of aluminum

Question 54

Which statement about an altimeter is correct?

Accepted Answer

It indicates altitude by measuring static pressure changes.

Answer

It measures rotor RPM.

Answer

It indicates magnetic heading.

Answer

It senses fuel flow directly.

Question 55

During hover flight (HOGE - out of ground effect) with maximum power, how does the pilot compensate for a loss of power resulting from the use of carburettor heat?

Accepted Answer

Adjust the height in a hover

Answer

Enrich the mixture

Answer

Open the vents

Answer

Turn on the electrical fuel pump

Question 56

The highest absorption of humidity in fuel can be observed in which situation?

Accepted Answer

Almost empty tanks

Answer

During parking on cold aprons

Answer

Almost full tanks

Answer

During parking on wet grass areas

Question 57

What kind of hydraulic oil is used in helicopter hydraulic systems today?

Accepted Answer

Synthetic oil

Answer

Bio-oil

Answer

Mineral oil

Answer

Vegetable oil

Question 58

Why is pre-flight rotor blade inspection important for a PPL(H) flight?

Accepted Answer

It can reveal damage, delamination, erosion or loose fittings before flight.

Answer

It is relevant only to airline transport operations.

Answer

It can be ignored when the flight remains local.

Answer

It is replaced by passenger preference.

Question 59

Why is engine cooling airflow important for a PPL(H) flight?

Accepted Answer

It keeps engine temperatures within limits during ground and flight operation.

Answer

It is relevant only to airline transport operations.

Answer

It can be ignored when the flight remains local.

Answer

It is replaced by passenger preference.

Question 60

A gyro which is rotating in space responds to forces being applied to it by an evasive movement...

Accepted Answer

At an angle of 90° to the force being applied.

Answer

At an angle of 45° to the force being applied.

Answer

In a northern direction.

Answer

At an angle of 180° to the force being applied.

Question 61

In which outside air temperature is icing most likely?

Accepted Answer

Between -5° C and +20° C

Answer

Between -15° C and 0° C

Answer

Between -20° C and +5° C

Answer

Between -10° C and +10° C

Question 62

Which of the following factors could cause an erroneous airspeed indication?

Accepted Answer

The aircraft is covered with adhesive foils

Answer

The boost pressure line is defective

Answer

A circuit breaker was pulled

Answer

The earth wire is still attached

Question 63

What reduces wearout on a skid-shoe landing gear?

Accepted Answer

Hardened skid shoes

Answer

Angled landing skids

Answer

Blanked bend tubes

Answer

Flexible fittings

Question 64

Which action best supports safe management of door and latch security?

Accepted Answer

Check all doors and panels before departure.

Answer

Delay the decision until after take-off.

Answer

Use the item only if requested by passengers.

Answer

Ignore it when the helicopter has sufficient fuel.

Exam simulation Aircraft General Knowledge - PPL(H) - Private Pilot License

Exam simulation PPL(H) Exam Question Bank Aircraft General Knowledge 120 questions on 120 minutes

Exam simulation Aircraft General Knowledge - PPL(H) - Private Pilot License

Exam simulation PPL(H) Exam Question Bank Aircraft General Knowledge 120 questions on 120 minutes

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