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

Question 1

Number 1 on the gear designates the... See figure (AGK-005)

Accepted Answer

Fork

Answer

Strut

Answer

Torque link

Answer

Inner shock absorber

Question 2

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 total pressure and the dynamic pressure

Answer

The difference between the standard pressure and the total pressure

Answer

The difference between the dynamic pressure and the static pressure

Question 3

What is the major task of a carburettor?

Accepted Answer

To produce an ignitable air/fuel mixture

Answer

To pump fuel from the tanks into the cylinder

Answer

To control the aircraft's speed through the throttle valve

Answer

To provide additional fuel to cool the engine

Question 4

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

Accepted Answer

Lift and weight.

Answer

Thrust and drag.

Answer

Drag and lift.

Answer

Weight and thrust.

Question 5

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 6

What is the purpose of the tank ventilation?

Accepted Answer

To prevent underpressure caused by fuel consumption

Answer

To prevent water disposal during parking

Answer

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

Answer

To prevent fuel spillage during refueling on the filler plug

Question 7

How is referred to a tubular steel construction with a non self-supporting skin?

Accepted Answer

Grid construction

Answer

Semi-monocoque construction.

Answer

Honeycomb structure

Answer

Monocoque construction

Question 8

Which of the following are an aircraft's secondary flight controls?

Accepted Answer

Wing flaps, leading edge devices, spoilers or speedbrakes, trim systems

Answer

Elevator, rudder, aileron

Answer

All movable parts on the aircraft which aid in controlling the aircraft

Answer

Elevator, rudder, aileron, trim tabs, high-lift wing devices, power controls

Question 9

The angle indicated by arrow number 1 shows the propeller's... See figure (AGK-011) D: Direction of air flow C: Chord line R: Direction of rotation

Accepted Answer

Angle of incidence

Answer

Angle of attack

Answer

Geometric wing twist

Answer

Aerodynamic wing twist

Question 10

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

Equal to the standard atmosphere.

Answer

Higher than the true altitude

Question 11

Primary fuselage structures of wood or metal planes are usually made up by what components?

Accepted Answer

Frames and stringers

Answer

Girders, ribs and stringers

Answer

Ribs, frames and covers

Answer

Covers, stringers and forming parts

Question 12

The term "inclination" is defined as...

Accepted Answer

Angle between earth's magnetic field lines and horizontal plane

Answer

Deviation induced by electrical fields

Answer

Angle between airplane's longitudinal axis and true north

Answer

Angle between magnetic and true north

Question 13

What has to be considered during refueling?

Accepted Answer

No open fires, obey smoking ban and apply ground cables

Answer

Check the fuel content of the tank with a torch and remove fire protection

Answer

Refuel through a soaked rag and keep a fire extinguisher available

Answer

Apply ground wires, turn on the main switch and magneto ignition

Question 14

A construction made of frames and stringer with a supporting skin is called...

Accepted Answer

Semi-monocoque construction.

Answer

Honeycomb structure.

Answer

Grid construction.

Answer

Wood- or mixed construction.

Question 15

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

Accepted Answer

When the airspeed indicator is fully functional again.

Answer

When a GPS with speed indication is used during flight.

Answer

If no maintenance organisation is around.

Answer

If only airfield patterns are flown.

Question 16

What is the unit for electrical power?

Accepted Answer

Watt

Answer

Ampere

Answer

Ohm

Answer

Volt

Question 17

Which cockpit instruments are connected to the static port?

Accepted Answer

Altimeter, vertical speed indicator, airspeed indicator

Answer

Airspeed indicator, direct-reading compass, slip indicator

Answer

Altimeter, slip indicator, navigational computer

Answer

Airspeed indicator, altimeter, direct-reading compass

Question 18

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

Accepted Answer

The attitude indicator and the flight director.

Answer

The directional gyro and the rate gyro.

Answer

The attitude indicator and the relative bearing indicator.

Answer

The attitude indicator and the radio magnetic indicator

Question 19

What is the reason for static dischargers on aircraft?

Accepted Answer

To discharge static charging during flight

Answer

To ensure grounding during refueling

Answer

To eliminate electrical interferences during intensive radio traffic

Answer

To improve the quality of radio transmission in high altitudes

Question 20

Which colour does Avgas 100 LL have?

Accepted Answer

Blue

Answer

Red

Answer

Green

Answer

Yellow

Question 21

During a flight in colder-than-ISA air the indicated altitude is...

Accepted Answer

Higher than the true altitude.

Answer

Lower than the true altitude.

Answer

Equal to the true altitude.

Answer

Equal to the standard altitude.

Question 22

Which tail assembly is shown in the attachment? See figure (AGK-003)

Accepted Answer

T-tail

Answer

V-tail

Answer

Fuselage-mounted tail

Answer

Cruciform tail

Question 23

What is the purpose of a ground adjustable trim tab?

Accepted Answer

It is a non-movable metal tab on a flight control which is adjusted on the ground to optimize the inflight characteristics of an aircraft

Answer

It is set on the ground to correct an out-of-trim condition arising from the mass and balance situation of an aircraft

Answer

It is preset on the ground and further adjusted in flight to reduce the need to constantly re-trim the aircraft

Answer

It is used to optimize the handling characteristics of an aircraft during ground operations

Question 24

What is likely to be the cause if the engine runs unusually rough while checking the magnetos?

Accepted Answer

Sparking plug is defective

Answer

Starter is faulty

Answer

Short circuit on the ground cable

Answer

Ignition switch is faulty

Question 25

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 26

The vertical speed indicator measures the difference of pressure between...

Accepted Answer

The present static pressure and the static pressure of a previous moment.

Answer

The present total pressure and the total pressure of a previous moment.

Answer

The present dynamic pressure and the dynamic pressure of a previous moment.

Answer

The present dynamic pressure and the static pressure of a previous moment.

Question 27

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

Accepted Answer

Operational limits

Answer

Caution areas

Answer

Recommended areas

Answer

Operational areas

Question 28

About how many axes does an aircraft move and how are these axes called?

Accepted Answer

3; vertical axis, lateral axis, longitudinal axis

Answer

4; optical axis, imaginary axis, sagged axis, axis of evil

Answer

4; vertical axis, lateral axis, longitudinal axis, axis of speed

Answer

3; x-axis, y-axis, z-axis

Question 29

What are the primary and the secondary effects of a rudder input to the left?

Accepted Answer

Primary: yaw to the left Secondary: roll to the left

Answer

Primary: yaw to the left Secondary: roll to the right

Answer

Primary: yaw to the right Secondary: roll to the left

Answer

Primary: yaw to the right Secondary: roll to the right

Question 30

When is it necessary to adjust the pressure in the reference scale of an altimeter?

Accepted Answer

Before every flight and during cross country flights

Answer

Every day before the first flight

Answer

Once a month before flight operation

Answer

After maintenance has been finished

Question 31

What happens during oil filter clocking?

Accepted Answer

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

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

Answer

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

Question 32

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

360°

Answer

270°

Answer

030°

Question 33

During ignition check the ignition is switched to OFF for a short moment and subsequently back to BOTH. What happens to the RPM if the ignition system is properly grounded?

Accepted Answer

The RPM decreases once switched to OFF and resumes the previous value when switched back to BOTH

Answer

The RPM increases once switched to OFF and resumes a value below the previous one when switched back to BOTH

Answer

The RPM increases once switched to OFF and resumes the previous value when switched back to BOTH

Answer

The RPM decreases once switched to OFF and resumes a value below the previous one when switched back to BOTH

Question 34

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

Accepted Answer

The aircraft is covered with adhesive foils

Answer

A circuit breaker was pulled

Answer

The earth wire is still attached

Answer

The boost pressure line is defective

Question 35

Which instrument can be affected by the hysteresis error?

Accepted Answer

Altimeter

Answer

Vertical speed indicator

Answer

Direct reading compass

Answer

Tachometer

Question 36

The sandwich structure consists of two...

Accepted Answer

Thin layers and a light core material

Answer

Thin layers and a heavy core material

Answer

Thick layers and a heavy core material

Answer

Thick layers and a light core material

Question 37

What is the purpose of engine oil in a piston engine?

Accepted Answer

Cooling, lubrication of the engine and disposal of fine abrasion.

Answer

Cooling of the engine and lubrication of propeller shaft.

Answer

For nose reduction and bearing of the propeller shaft.

Answer

Cooling, lubrication and increasing engine performance.

Question 38

Which of the following options states all primary flight controls of an aircraft?

Accepted Answer

Elevator, rudder, aileron

Answer

All movable parts on the aircraft which aid in controlling the aircraft

Answer

Flaps, slats, speedbrakes

Answer

Elevator, rudder, aileron, trim tabs, high-lift wing devices, power controls

Question 39

Which of the stated materials shows the highest strength?

Accepted Answer

Carbon fiber reinforced plastic

Answer

Aluminium

Answer

Wood

Answer

Magnesium

Question 40

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 41

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 airfield

Answer

Magnetic bearing to a station.

Answer

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

Question 42

What does the dynamic pressure depend directly on?

Accepted Answer

Air density and airflow speed squared

Answer

Air pressure and air temperature

Answer

Air density and lift coefficient

Answer

Lift- and drag coefficient

Question 43

Which pressure is sensed by the Pitot tube?

Accepted Answer

Total air pressure

Answer

Cabin air pressure

Answer

Dynamic air pressure

Answer

Static air pressure

Question 44

What is the direct influence by switching on the carburettor heating on fixed propeller engines during engine run-up?

Accepted Answer

RPM decreases

Answer

Angle of attack decreases

Answer

Angle of attack increases

Answer

RPM increases

Question 45

An aeroplane's current supply is carried out by the: 1. Battery 2. Generator 3. Relay 4. Circuit breaker

Accepted Answer

1 and 2

Answer

1 and 4

Answer

3 and 4

Answer

2 and 3

Question 46

In which way may an altimeter subscale which is set to an incorrect QNH lead to an incorrect altimeter reading?

Accepted Answer

If the subscale is set to a higher than actual pressure, the indication is too high. This may lead to much closer proximity to the ground than intended

Answer

If the subscale is set to a lower than actual pressure, the indication is too high. This may lead to much closer proximity to the ground than intended

Answer

If the subscale is set to a lower than actual pressure, the indication is too low. This may lead to much closer proximity to the ground than intended

Answer

If the subscale is set to a higher than actual pressure, the indication is too low. This may lead to much greater heights above the ground than intended

Question 47

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

360°.

Answer

150°.

Answer

180°.

Question 48

A true altitude is...

Accepted Answer

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

Answer

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

Answer

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

Answer

A pressure altitude corrected for non-standard temperature.

Question 49

How is the nose or tail wheel usually controlled on small aircraft and motor gliders?

Accepted Answer

By the pedals

Answer

By the steering wheel

Answer

By the control column

Answer

By weight movement

Question 50

How should a power decrease be executed on a constant-speed propeller, provided that no other procedure is described in the flight manual?

Accepted Answer

1) Decrease manifold pressure 2) Decrease RPM

Answer

1) Decrease RPM 2) Decrease manifold pressure

Answer

1) Decrease manifold pressure 2) Increase RPM

Answer

1) Decrease RPM 2) Increase manifold pressure

Question 51

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 52

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 53

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

300°

Answer

360°

Answer

240°

Question 54

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

Accepted Answer

Almost empty tanks

Answer

During parking on wet grass areas

Answer

During parking on cold aprons

Answer

Almost full tanks

Question 55

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

Accepted Answer

Static pressure.

Answer

Dynamic pressure.

Answer

Differential pressure.

Answer

Total pressure.

Question 56

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 increases

Answer

The speed increases and the sink rate decreases

Answer

The speed decreases and the sink rate decreases

Question 57

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 58

The trim wheel or lever in the cockpit is moved aft by the pilot. What effect does this action have on the trim tab and on the elevator?

Accepted Answer

The trim tab moves down, the elevator moves up

Answer

The trim tab moves up, the elevator moves up

Answer

The trim tab moves up, the elevator moves down

Answer

The trim tab moves down, the elevator moves down

Question 59

Which cylinder arrangement is commonly used on small aircraft and motor gliders?

Accepted Answer

Horizontally opposed engine

Answer

Radial engine

Answer

In-line engine

Answer

V-type engine

Question 60

The fuselage structure may be damaged by...

Accepted Answer

Exceeding the manoeuvring speed in heavy gusts.

Answer

Neutralizing stick forces according to actual flight state.

Answer

Stall after exceeding the maximum angle of attack.

Answer

Airspeed decreasing below a certain value.

Question 61

A horizontal situation indicator (HSI) combines the information provided by...

Accepted Answer

The directional gyro and the VHF navigation receiver.

Answer

The directional gyro and the flight director.

Answer

The rate gyro and the slip indicator.

Answer

The attitude indicator and the flight director.

Question 62

What is the meaning of the white arc on the airspeed indicator?

Accepted Answer

Speed range for extended flaps

Answer

Speed range in bumpy air

Answer

Speed range in smooth air

Answer

Speed range not to exceed

Question 63

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

Accepted Answer

"DC"

Answer

"EL"

Answer

"AL"

Answer

"CO"

Question 64

What is the purpose of winglets?

Accepted Answer

Reduction of induced drag

Answer

Increase gliding performance at high speed

Answer

Increase of lift and turning manoeuvring capabilities

Answer

To increase efficiency of aspect ratio

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