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

Question 1

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 2

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 aboard 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 3

What does the slip indicator show?

Accepted Answer

Apparent vertical

Answer

Rate of turn

Answer

Vertical to horizon

Answer

Airplane's bank

Question 4

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

Accepted Answer

Synthetic oil

Answer

Mineral oil

Answer

Vegetable oil

Answer

Bio-oil

Question 5

Which wing configuration is shown in the attachment? See figure (AGK-002)

Accepted Answer

Strut-braced high wing

Answer

High wing

Answer

Mid wing

Answer

Low wing

Question 6

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 7

What is the purpose of the secondary flight controls?

Accepted Answer

To improve the performance characteristics of an aircraft and relieve the pilot of excessive control forces

Answer

To constitute a backup system for the primary flight controls

Answer

To improve the turn characteristics of an aircraft in the low speed regime during approach and landing

Answer

To enable the pilot to control the aircraft's movements about its three axes

Question 8

How do you call fuel mixtures with a high amount of fuel?

Accepted Answer

Rich

Answer

Lean

Answer

Full

Answer

Empty

Question 9

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 10

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

130 kt

Answer

30 kt

Answer

70 kt

Question 11

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

Increase bank, increase rate of turn

Answer

Reduce speed, increase bank

Answer

Reduce rate of turn, reduce bank

Question 12

The thickness of the wing is defined as the distance between the lower and the upper side of the wing at the...

Accepted Answer

Thickest part of the wing.

Answer

Most inner part of the wing.

Answer

Thinnest part of the wing.

Answer

Most outer part of the wing.

Question 13

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 14

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 15

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

Accepted Answer

TAS

Answer

CAS

Answer

IAS

Answer

Ground speed

Question 16

The primer is...

Accepted Answer

An auxiliary pump in the fuel system to facilitate engine starting

Answer

A mechanical switch in the cockpit to engage the turbocharger

Answer

A valve in the fuel control system for automatic mixture regulation

Answer

A nozzle in the Venturi tube of a carburettor for atomising the fuel

Question 17

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

Accepted Answer

Fork

Answer

Strut

Answer

Torque link

Answer

Inner shock absorber

Question 18

In which outside air temperature is icing most likely?

Accepted Answer

Between -5° C and +20° C

Answer

Between -10° C and +10° C

Answer

Between -20° C and +5° C

Answer

Between -15° C and 0° C

Question 19

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 20

A movement around the longitudinal axis is primarily initiated by the...

Accepted Answer

Ailerons

Answer

Rudder

Answer

Elevator

Answer

Trim tab

Question 21

What is the effect of pulling the control yoke or stick backwards?

Accepted Answer

The aircraft's tail will produce an increased downward force, causing the aircraft's nose to rise

Answer

The aircraft's tail will produce an increased downward force, causing the aircraft's nose to drop

Answer

The aircraft's tail will produce a decreased upward force, causing the aircraft's nose to drop

Answer

The aircraft's tail will produce an increased upward force, causing the aircraft's nose to rise

Question 22

Cylinder head temperature indication relates to...

Accepted Answer

The critical cylinder

Answer

All Cylinders

Answer

A random cylinder

Answer

The average of all cylinders

Question 23

What is the task of cooling fins on air-cooled engine cylinders?

Accepted Answer

Quick heat transfer to the surrounding air flow by expanding the surface

Answer

Cooling of the cylinder surrounding airflow and forwarding to hotter engine parts

Answer

Leading the airflow to parts designated to be cooled

Answer

Increasing the airflow thus improving cooling of cylinder parts

Question 24

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 steadily decreasing radius

Question 25

Which instrument can be affected by the hysteresis error?

Accepted Answer

Altimeter

Answer

Vertical speed indicator

Answer

Direct reading compass

Answer

Tachometer

Question 26

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

Accepted Answer

Airspeed indicator

Answer

Vertical speed indicator

Answer

Direct-reading compass

Answer

Altimeter

Question 27

Which colour does Avgas 100 LL have?

Accepted Answer

Blue

Answer

Red

Answer

Green

Answer

Yellow

Question 28

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 29

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 30

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

Accepted Answer

An altitude indication which is too high.

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.

Answer

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

Question 31

What must be considered if the alternator fails in a helicopter?

Accepted Answer

No change as long as the battery provides enough power

Answer

All instruments and warning systems will fail

Answer

The engine runs roughly and is prone to knocking

Answer

Only high power consumers will fail

Question 32

Calibrated airspeed (CAS) equals...

Accepted Answer

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

Answer

Equivalent airspeed (EAS) corrected for altitude.

Answer

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

Answer

True airspeed (TAS) corrected for wind.

Question 33

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 34

What is the unit for voltage?

Accepted Answer

Volt

Answer

Ampere

Answer

Watt

Answer

Ohm

Question 35

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 coordination of the turn and slip angle.

Answer

The pitch and bank angle of the aircraft.

Answer

The rate of turn and bank angle of the aircraft.

Question 36

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 37

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 38

Where does the condensation water converge in the tank?

Accepted Answer

At the lowest position

Answer

It floats on the fuel

Answer

It dissolves in the fuel

Answer

It is mixed with the fuel

Question 39

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 40

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 41

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 42

A vertical speed indicator connected to a too big equalizing tank results in...

Accepted Answer

Indication too high

Answer

No indication

Answer

Mechanical overload

Answer

Indication too low

Question 43

At higher altitudes, true airspeed (TAS) tends to be higher than calibrated airspeed (CAS). A rough estimate of the TAS can be obtained by...

Accepted Answer

Adding 2 % of the CAS for every 1000 ft altitude.

Answer

Subtracting 2 % of the CAS for every 1000 ft altitude.

Answer

Adding 10 % of the CAS for every 1000 ft altitude.

Answer

Subtracting 10 % of the CAS for every 1000 m altitude.

Question 44

The Pitot / static system is required to...

Accepted Answer

Measure total and static air pressure.

Answer

Prevent potential static buildup on the aircraft.

Answer

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

Answer

Prevent icing of the Pitot tube.

Question 45

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 46

How does a balance tab move in relation to the flight control surface that it is coupled with?

Accepted Answer

In the opposite direction

Answer

At an angle of 90°

Answer

At an angle of 45°

Answer

In the same direction

Question 47

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 48

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 49

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 50

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 51

What engines are commonly used with Touring Motor Gliders (TMG)?

Accepted Answer

4 Cylinder; 4 stroke

Answer

4 Cylinder 2 stroke

Answer

2 Cylinder Diesel

Answer

2 plate Wankel

Question 52

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 53

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

Accepted Answer

Inclination of earth's magnetic field lines

Answer

Deviation in the cockpit

Answer

Acceleration of the airplane

Answer

Temperature variations

Question 54

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 55

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 56

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 57

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 58

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 59

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

Accepted Answer

Amber (orange)

Answer

Red

Answer

Blue

Answer

Green

Question 60

Reasons for dents in the helicopter structure are...

Accepted Answer

Hard landing or excessive stress.

Answer

Material defects or old colour.

Answer

Intense erosion or high wear.

Answer

Excessive engine rpm and cylinder defects.

Question 61

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 62

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 63

The term "static pressure" is defined as pressure...

Accepted Answer

Of undisturbed airflow.

Answer

Inside the airplane cabin.

Answer

Resulting from orderly flow of air particles.

Answer

Sensed by the pitot tube.

Question 64

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

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