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

Question 1

What is a likely consequence of gearbox chip warning?

Accepted Answer

land as soon as appropriate according to the flight manual.

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 2

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 3

What is the advantage of a pushing tail rotor over a pulling tail rotor?

Accepted Answer

Less thrust loss by free outflow of the accelerated air mass

Answer

Gain of thrust by Coanda and Magnus effect due to the airflow around the tail boom

Answer

Effective airflow of tail rotor blades by using the downwash

Answer

Self-compensating anti-torque operation by using the downwash

Question 4

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 5

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 6

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 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 static pressure is correct?

Accepted Answer

It is the pressure of undisturbed ambient air.

Answer

It is the same as fuel pressure.

Answer

It is measured only inside the cabin.

Answer

It is generated by the engine oil pump.

Question 9

Which statement about the collective lever is correct?

Accepted Answer

It changes the pitch of all main rotor blades collectively.

Answer

It changes only tail rotor pitch.

Answer

It controls the altimeter subscale.

Answer

It selects the fuel tank vent.

Question 10

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 11

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 12

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 13

Which statement about aluminium structures is correct?

Accepted Answer

corrosion protection and inspection remain important.

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 14

An aircraft in the northern hemisphere intends to turn on the shortest way from a heading of 270° to a heading of 360°. At approximately which indication of the magnetic compass should the turn be terminated?

Accepted Answer

330°

Answer

030°

Answer

270°

Answer

360°

Question 15

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 16

Why is leaning the fuel mixture without an EGT indicator very dangerous in helicopters?

Accepted Answer

The risk of engine stoppage exists

Answer

The risk of vapour lock in the reserve tank exists

Answer

The electric fuel pump overheats

Answer

The power output from the engine is growing rapidly

Question 17

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 18

What behaviour is shown by a rotating gyro in space?

Accepted Answer

It tends to maintain its position in space

Answer

It moves in accordance with the body surrounding it

Answer

It swings from east to west like a pendulum

Answer

It moves in circles with a stadily decreasing radius

Question 19

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 20

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 21

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 22

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 23

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 24

What is caused by the movement of the cyclic stick?

Accepted Answer

The swash plate is inclined and thus changes the pitch angle of the blades periodically

Answer

The lower scissors are twisted and consequently the pitch angle of the rotor blade is changed periodically

Answer

The sliding sleeve is axially moved and thus changes the pitch angle of the rotor blades collectively

Answer

The trim panels are inclined and consequently a torque on the rotor blade is produced

Question 25

Which of the stated materials shows the highest strength?

Accepted Answer

Carbon fibre reinforced plastic

Answer

Aluminium

Answer

Magnesium

Answer

Wood

Question 26

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 27

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 28

What does the slip indicator show?

Accepted Answer

Apparent vertical

Answer

Aircraft's bank

Answer

Vertical to horizon

Answer

Rate of turn

Question 29

What is the purpose of the tank ventilation?

Accepted Answer

To prevent underpressure caused by fuel consumption

Answer

To distribute the fuel from one tank segment to the other during flight

Answer

To prevent water disposal during parking

Answer

To prevent fuel spillage during refueling on the filler plug

Question 30

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 31

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 32

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 33

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 34

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 35

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 36

Which components do rotor blades made of wood contain?

Accepted Answer

Spar of metal, filling material of wood and erosion protection of metal

Answer

Spar of wood, filling material of plastic, and outer skin of wood

Answer

Spar of wood, filling material of wood, and outer skin of plastic

Answer

Spar of metal, filling material of metal, and erosion protection of wood

Question 37

Why is the main rotor gearbox a limiting factor in most piston-driven helicopters?

Accepted Answer

The gear wheels will be displaced from each other at high torque and strain the gearbox bearings

Answer

The electronic monitoring of the gearbox reacts susceptible at high torques

Answer

The drive shaft in the gearbox is made of solid material and tends to break at high torques

Answer

The supply of oil pressure lubrication in the gearbox is constructed on average loads

Question 38

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 39

What is a likely consequence of alternator failure?

Accepted Answer

battery power may be the remaining electrical source.

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 40

The control mixing assembly...

Accepted Answer

Overlays periodic and collective control inputs for main rotor pitch angle change.

Answer

Releases the sprag freewheel and prevents rotor blockage by the engine.

Answer

Ensures a constant pressure distribution in a hydraulic control system of a helicopter.

Answer

Opens the throttle and increases engine performance if the collective is reduced.

Question 41

A turn and bank (or turn and slip) coordinator provides information regarding...

Accepted Answer

The rate of turn and coordination, i.e. slip or skid, of the turn.

Answer

The rate of turn and bank angle of the aircraft.

Answer

The coordination of the turn and slip angle.

Answer

The pitch and bank angle of the aircraft.

Question 42

The slip indicator's ball (apparent vertical) has moved to the right during a right turn. By what actions may the ball led back to middle position?

Accepted Answer

Reduce bank, increase rate of turn

Answer

Reduce speed, increase bank

Answer

Reduce rate of turn, reduce bank

Answer

Increase bank, increase rate of turn

Question 43

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 44

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 45

What kind of helicopter needs a tail rotor?

Accepted Answer

Single-rotor helicopter with shaft drive

Answer

Twin-rotor helicopter with counter-rotating main rotors

Answer

Single-rotor helicopter with blade drive

Answer

Twin-rotor autogyro with counter-rotating main rotors

Question 46

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 47

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 48

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 49

What is the unit for electrical power?

Accepted Answer

Watt

Answer

Ampere

Answer

Volt

Answer

Ohm

Question 50

What is a likely consequence of blocked pitot tube with drain and static ports open?

Accepted Answer

the airspeed indication may decrease towards zero.

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 51

An aircraft in the northern hemisphere intends to turn on the shortest way from a heading of 360° to a heading of 270°. At approximately which indication of the magnetic compass should the turn be terminated?

Accepted Answer

270°

Answer

360°

Answer

300°

Answer

240°

Question 52

Which statement about a turbine engine TOT or TGT limit is correct?

Accepted Answer

It protects the engine from excessive gas temperature.

Answer

It is a navigation bearing.

Answer

It controls radio squelch.

Answer

It measures cabin oxygen only.

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 the electrical alternator or generator is correct?

Accepted Answer

It supplies electrical power and charges the battery during normal operation.

Answer

It creates hydraulic pressure for the rotor brake only.

Answer

It measures outside air temperature.

Answer

It replaces all fuses and circuit breakers.

Question 55

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 56

Which of the instruments listed below obtain their readings through pressure measurement?

Accepted Answer

Oil pressure gauge, fuel pressure gauge, manifold pressure gauge, altimeter, vertical speed indicator, airspeed indicator, suction gauge

Answer

Oil pressure gauge, fuel pressure gauge, fuel quantity gauge, manifold pressure gauge, differential pressure gauge, altimeter

Answer

Airspeed indicator, vertical speed indicator, altimeter, directional gyro, turn and bank coordinator, oil pressure gauge, fuel pressure gauge

Answer

Airspeed indicator, vertical speed indicator, altimeter, magnetic compass, oil pressure gauge, fuel pressure gauge

Question 57

Which actions shall be taken if the engine oil pressure continuously drops to zero?

Accepted Answer

Land immediately on suitable terrain and be prepared for an autorotation

Answer

Check the mixture lever and enrich the mixture

Answer

Reduce engine performance and continue the flight to the destination

Answer

Monitor oil temperature and land at the nearest aerodrome

Question 58

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 59

Which statement about rotor RPM limits is correct?

Accepted Answer

They must be respected because excessive or low RPM can be hazardous.

Answer

They apply only during maintenance.

Answer

They are advisory values with no operational meaning.

Answer

They are selected by ATC.

Question 60

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 61

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 62

Which of the following options states the working principle of a vertical speed indicator?

Accepted Answer

Measuring the present static air pressure and comparing it to the static air pressure inside a reservoir

Answer

Total air pressure is measured and compared to static pressure

Answer

Measuring the vertical acceleration through the displacement of a gimbal-mounted mass

Answer

Static air pressure is measured and compared against a vacuum

Question 63

The Caution Area is marked on an airspeed indicator by what colour?

Accepted Answer

Yellow

Answer

White

Answer

Red

Answer

Green

Question 64

What is a cause for the dip error on the direct-reading compass?

Accepted Answer

Inclination of Earth's magnetic field lines

Answer

Temperature variations

Answer

Deviation in the cockpit

Answer

Acceleration of the aircraft

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

You have reached the free limit

Upgrading to PRO gives you access to: