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

Question 1

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 2

What is the reason for static dischargers on aircraft?

Accepted Answer

To discharge static charging during flight

Answer

To improve the quality of radio transmission in high altitudes

Answer

To ensure grounding during refueling

Answer

To eliminate electrical interferences during intensive radio traffic

Question 3

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

Accepted Answer

Traction and bending forces.

Answer

Torsions.

Answer

Torques.

Answer

Contact pressure.

Question 4

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 5

Which actions shall be taken if the rotor RPM indicator fails during cruise flight?

Accepted Answer

Continue the flight as long as the engine RPM indicator works

Answer

Try to get back an indication by opening and closing the throttle

Answer

Increase engine power and continue the flight to the nearest aerodrome

Answer

Perform an emergency landing on suitable terrain

Question 6

The Pitot / static system is required to...

Accepted Answer

Measure total and static air pressure.

Answer

Prevent icing of the Pitot tube.

Answer

Correct the reading of the airspeed indicator to zero when the aircraft is static on the ground.

Answer

Prevent potential static buildup on the aircraft.

Question 7

The advance angle is the angle between the...

Accepted Answer

Circumferential control rod and rotor blade longitudinal axis.

Answer

Advancing rotor blade and retreating rotor blade.

Answer

Fixed control rod and lower scissors.

Answer

Delta-three-flapping hinge and rotor blade longitudinal axis.

Question 8

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 9

Which action best supports safe management of fuel selector position?

Accepted Answer

Confirm the selector is in the required position.

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 10

Which of the following states the working principle of an airspeed indicator?

Accepted Answer

Total air pressure is measured and compared against static air pressure.

Answer

Dynamic air pressure is measured by the Pitot tube and converted into a speed indication by the airspeed indicator

Answer

Total air pressure is measured by the static ports and converted into a speed indication by the airspeed indicator

Answer

Static air pressure is measured and compared against a vacuum.

Question 11

Which instrument can be affected by the hysteresis error?

Accepted Answer

Altimeter

Answer

Direct reading compass

Answer

Vertical speed indicator

Answer

Tachometre

Question 12

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 13

What is a likely consequence of fuel vent blockage?

Accepted Answer

fuel flow to the engine may be restricted.

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 14

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 15

Which statement about the freewheel unit in a helicopter is correct?

Accepted Answer

It allows the rotor system to continue turning if engine drive is lost.

Answer

It locks the rotor during autorotation.

Answer

It controls the radio frequency selector.

Answer

It prevents collective pitch changes.

Question 16

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 17

How can the belts of a belt clutch be tightened?

Accepted Answer

Increase of drive shaft distance

Answer

Approximation of two rotating plates

Answer

Increase of engine RPM

Answer

Extension of a pneumatic cylinder

Question 18

What values are usually marked with a red line on instrument displays?

Accepted Answer

Operational limits

Answer

Operational areas

Answer

Recommended areas

Answer

Caution areas

Question 19

Why is door and latch security important for a PPL(H) flight?

Accepted Answer

It prevents distraction and possible damage in 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 20

The rotor brake should be engaged (provided that no other procedure is described in the flight manual)...

Accepted Answer

For outside parking.

Answer

During all prescribed pre-flight checks on the ground.

Answer

For inside parking.

Answer

During start-up until reaching the prescribed rotor rpm.

Question 21

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 22

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 23

Fuel quantity in small aircraft is most commonly measured through a level sensor. The European Certification Specifications CS 23 require that...

Accepted Answer

A fuel quantity indicator must be available for each tank and the indicator must be calibrated to read "zero" during level flight when the quantity of fuel remaining in the tank is equal to the unusable fuel supply.

Answer

At least one fuel quantity indicator must be available to indicate the total amount of fuel abord an aircraft. This Indicator must be calibrated adequately to indicate the correct amount of fuel during all phases of flight.

Answer

If the fuel indicator fails, the pilot must land at the next available airport.

Answer

If no fuel quantity indicator is available to the pilot in flight, the pilot must check the fuel quantity before commencing the flight and recalculate the remaining fuel on board in regular intervals during the flight.

Question 24

What devices can be affected by a failure of the electrical system in a helicopter?

Accepted Answer

Radio equipment, navigation equipment and gyros

Answer

Airspeed indicator, altimeter and artificial horizon

Answer

Radio equipment, navigation equipment and magnetic compass

Answer

Fuel quantity indication, radio equipment and altimeter

Question 25

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 26

What is the reason for a puddle of water below the helicopter after a flight in summer?

Accepted Answer

The air conditioning was used in flight

Answer

The windshield wiper fluid has leaked

Answer

The helicopter was frozen at cruising altitude

Answer

Vapour bubbles from the fuel lines are condensed

Question 27

The correlator (for pitch compensation)...

Accepted Answer

Opens the throttle when the collective is raised.

Answer

Overlays periodic and collective control inputs from the pilot.

Answer

Increases rotor RPM when the carburettor heat is turned on.

Answer

Disables the engine via a spring-loaded resistance.

Question 28

The pilot wants to refuel the helicopter after a cold night early in the morning. What needs to be checked before starting the engine?

Accepted Answer

Fuel for water content and impurities

Answer

VHF communication for transmission

Answer

Carburettor heat for function

Answer

Left seat controls for damage and tight fit

Question 29

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 30

Which action best supports safe management of engine cooling airflow?

Accepted Answer

Monitor temperatures and avoid prolonged operation outside limits.

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 31

What is the most likely reason for the starter not turning when activated?

Accepted Answer

The rotor break is engaged

Answer

The magnetos are defect

Answer

The ignition is short-circuited

Answer

The alternator is defect

Question 32

An attitude director indicator (ADI) combines the information provided by...

Accepted Answer

The attitude indicator and the flight director.

Answer

The attitude indicator and the relative bearing indicator.

Answer

The directional gyro and the rate gyro.

Answer

The attitude indicator and the radio magnetic indicator.

Question 33

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 34

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 35

What happens to a helicopter during cruise when the stick is moved forward without other corrections?

Accepted Answer

The speed increases and the sink rate increases

Answer

The speed decreases and the sink rate decreases

Answer

The speed decreases and the sink rate increases

Answer

The speed increases and the sink rate decreases

Question 36

What is the purpose of a belt clutch in the drive system?

Accepted Answer

It connects or disconnects the transmission from the engine to the main rotor gearbox

Answer

It allows the displacement of the ignition timing during start-up

Answer

It prevents blade movements in gusty wind conditions by blocking the drive shaft

Answer

It prevents the mechanical blocking of the main rotor during autorotation

Question 37

What is the unit for electrical power?

Accepted Answer

Watt

Answer

Ampere

Answer

Volt

Answer

Ohm

Question 38

The airspeed indicator is unserviceable. The aircraft may only be operated...

Accepted Answer

When the airspeed indicator is fully functional again.

Answer

If no maintenance organisation is around.

Answer

When a GPS with speed indication is used during flight.

Answer

If only aerodrome patterns are flown.

Question 39

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 40

What is a likely consequence of low outside temperature?

Accepted Answer

true altitude may be lower than indicated altitude.

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 41

A true altitude is...

Accepted Answer

An altitude above mean sea level corrected for non-standard temperature.

Answer

A pressure altitude corrected for non-standard temperature.

Answer

A height above ground level corrected for non-standard temperature.

Answer

A height above ground level corrected for non-standard pressure.

Question 42

The droop stop...

Accepted Answer

Reduces the risk of rotor blade contact with the tail boom at low rotor RPM.

Answer

Limits blade flapping and prevents rotor blade stall.

Answer

Decreases the bending and tensional loads on the rotor blades in all flight conditions.

Answer

Allows the rotor blades to flap upwards without restrictions.

Question 43

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 44

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 45

The indication of a magnetic compass deviates from magnetic north direction due to what errors?

Accepted Answer

Deviation, turning and acceleration errors

Answer

Gravity and magnetism

Answer

Inclination and declination of the Earth's magnetic field

Answer

Variation, turning and acceleration errors

Question 46

Which pressure is sensed by the Pitot tube?

Accepted Answer

Total air pressure

Answer

Dynamic air pressure

Answer

Cabin air pressure

Answer

Static air pressure

Question 47

Which statement about a warning light is correct?

Accepted Answer

It should be interpreted using the flight manual and the relevant emergency or abnormal procedure.

Answer

It may be ignored if the aircraft flies normally.

Answer

It always requires immediate engine shutdown.

Answer

It replaces all instrument checks.

Question 48

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 49

Which rotor blade material enables the construction of hingeless rotor heads?

Accepted Answer

Plastic

Answer

Aluminium

Answer

Titan

Answer

Timber

Question 50

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 51

What needs to be considered if permissible limitations were exceeded?

Accepted Answer

The helicopter must be inspected by a qualified engineer before the next flight

Answer

The helicopter must be subjected to a duplicate inspection by two engineers

Answer

The helicopter must be inspected by the pilot in command and if no defect is found, no appropriate entry in the aircraft technical log is necessary

Answer

The helicopter must be inspected by at least two pilots licensed on the type, one of whom must be the pilot in command

Question 52

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 53

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 54

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 55

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 56

Which statement about the flight manual is correct?

Accepted Answer

It contains limitations, normal procedures, emergency procedures and performance data.

Answer

It is a private pilot logbook.

Answer

It is valid only for IFR helicopters.

Answer

It replaces current charts and NOTAM.

Question 57

Which action best supports safe management of battery condition?

Accepted Answer

Check charge and indications before flight.

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 58

An aircraft cruises on a heading of 180° with a true airspeed of 100 kt. The wind comes from 180° with 30 kt. Neglecting instrument and position errors, which will be the approximate reading of the airspeed indicator?

Accepted Answer

100 kt

Answer

70 kt

Answer

30 kt

Answer

130 kt

Question 59

Which light colour advises the pilot to the condition "corrective action may be required in the future"?

Accepted Answer

Amber (orange)

Answer

Green

Answer

Red

Answer

Blue

Question 60

Piston engines of helicopters have...

Accepted Answer

Two independent ignition systems.

Answer

One magneto ignition system.

Answer

Two coupled ignition systems.

Answer

One electrical ignition system.

Question 61

Which statement about the cyclic control is correct?

Accepted Answer

It changes rotor disc attitude by varying blade pitch cyclically.

Answer

It changes all blades equally at the same time.

Answer

It is used only to start the engine.

Answer

It controls cabin heating only.

Question 62

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 63

When using direct current, electrically driven flight instruments are marked with...

Accepted Answer

"DC".

Answer

"AL".

Answer

"CO".

Answer

"EL".

Question 64

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.

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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