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

Question 1

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 2

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 3

Which part of the cycle of a four-stroke Otto engine can be seen in the attachment? See figure (AGK-007)

Accepted Answer

First stroke - induction

Answer

Second stroke - compression

Answer

Fourth stroke - exhaust

Answer

Third stroke - power

Question 4

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 5

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 6

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 7

What is the unit for voltage?

Accepted Answer

Volt

Answer

Ampere

Answer

Watt

Answer

Ohm

Question 8

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 9

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 10

Which constructional elements give the wing its profile shape?

Accepted Answer

Ribs

Answer

Planking

Answer

Spar

Answer

Tip

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

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 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

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 15

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 16

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 17

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 18

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 19

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 20

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 21

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 22

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 23

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 24

Piston engines of helicopters have...

Accepted Answer

Two independent ignition systems

Answer

One magneto ignition system

Answer

One electrical ignition system

Answer

Two coupled ignition systems

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

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 27

When trimming an aircraft nose up, in which direction does the trim tab move?

Accepted Answer

It moves down

Answer

Depends on CG position

Answer

It moves up

Answer

In direction of rudder deflection

Question 28

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 29

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 30

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

Accepted Answer

"DC"

Answer

"EL"

Answer

"AL"

Answer

"CO"

Question 31

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

Accepted Answer

Radio equipment, navigation equipment and gyros

Answer

Fuel quantity indication, radio equipment and altimeter

Answer

Radio equipment, navigation equipment and magnetic compass

Answer

Airspeed indicator, altimeter and artificial horizon

Question 32

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

Accepted Answer

1) Increase RPM 2) Increase manifold pressure

Answer

1) Decrease manifold pressure 2) Increase RPM

Answer

1) Decrease RPM 2) Increase manifold pressure

Answer

1) Increase manifold pressure 2) Increase RPM

Question 33

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 34

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

Accepted Answer

Rich

Answer

Lean

Answer

Full

Answer

Empty

Question 35

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

Accepted Answer

Second stroke - compression

Answer

Third stroke - power

Answer

Fourth stroke - exhaust

Answer

First stroke - induction

Question 36

The trim is used to...

Accepted Answer

Adapt the control force.

Answer

Increase adverse yaw.

Answer

Move the centre of gravity.

Answer

Lock control elements.

Question 37

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 38

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 39

A vertical speed indicator measures the difference between...

Accepted Answer

Instantaneous static pressure and previous static pressure.

Answer

Instantaneous total pressure and previous total pressure.

Answer

Total pressure and static pressure.

Answer

Dynamic pressure and total pressure.

Question 40

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

Accepted Answer

Ailerons

Answer

Rudder

Answer

Elevator

Answer

Trim tab

Question 41

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

Question 42

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 43

Which colour does Avgas 100 LL have?

Accepted Answer

Blue

Answer

Red

Answer

Green

Answer

Yellow

Question 44

What does the octane rating or fuel grade describe?

Accepted Answer

Anti-knock rating

Answer

Flame front speed

Answer

Ignition timing

Answer

Combustion temperature

Question 45

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 46

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 47

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 48

The altimeter's reference scale is set to airfield pressure (QFE). What indication is shown during the flight?

Accepted Answer

Height above airfield

Answer

Pressure altitude

Answer

Airfield elevation

Answer

Altitude above MSL

Question 49

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 50

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 51

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 52

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 53

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 54

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 55

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 56

Number 2 on the gear designates the... See figure (AGK-005)

Accepted Answer

Movable inner cylinder

Answer

Fork

Answer

Torque link

Answer

Fixed outer cylinder

Question 57

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 58

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 59

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 60

QFE is the...

Accepted Answer

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

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 61

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 62

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 63

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 64

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

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