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

Question 1

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 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 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 3

Where does the condensation water converge in the tank?

Accepted Answer

At the lowest position

Answer

It floats on the fuel

Answer

It floats on the fuel

Answer

It is mixed with the fuel

Question 4

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 5

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 6

What is the unit for electrical power?

Accepted Answer

Watt

Answer

Ampere

Answer

Ohm

Answer

Volt

Question 7

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 8

With increasing altitude and unchanged mixture setting, the air/fuel mixture...

Accepted Answer

Becomes richer.

Answer

Becomes more lean

Answer

Stays constant

Answer

Becomes liquid

Question 9

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 10

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 11

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 12

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 13

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

Accepted Answer

Almost empty tanks

Answer

During parking on wet gras areas

Answer

During parking on cold aprons

Answer

Almost full tanks

Question 14

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 15

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

Accepted Answer

Yellow

Answer

Green

Answer

Red

Answer

White

Question 16

Which instrument can be affected by the hysteresis error?

Accepted Answer

Altimeter

Answer

Vertical speed indicator

Answer

Direct reading compass

Answer

Tachometer

Question 17

Which wing configuration is shown in the attachment? See figure (AGK-002) (1,00 P.) Siehe Anlage 1

Accepted Answer

Strut-braced high wing

Answer

High wing

Answer

Mid wing

Answer

Low wing

Question 18

How should an Otto engine be shut down?

Accepted Answer

By completely leaning the mixture

Answer

By moving the propeller to the feathered position

Answer

By closing the throttle lever completely

Answer

By shutting down the generator

Question 19

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 20

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 21

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

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 maintance has been finished

Question 22

Which of the stated materials shows the highest strength?

Accepted Answer

Carbon fiber re-inforced plastic

Answer

Aluminium

Answer

Wood

Answer

Magnesium

Question 23

Which cylinder arragement is commonly used on small aircrafts and motor gliders?

Accepted Answer

Horizontally opposed engine

Answer

Radial engine

Answer

In-line engine

Answer

V-type engine

Question 24

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

Accepted Answer

Frames and stringer

Answer

Girders, rips and stringers

Answer

Rips, frames and covers

Answer

Covers, stringers and forming parts

Question 25

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 26

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 27

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 28

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 29

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

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

Answer

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

Answer

Static air pressure is measured and compared against a vacuum

Question 30

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 (1,00 P.) Siehe Anlage 7

Accepted Answer

Angle of incidence.

Answer

Angle of attack.

Answer

Geometric wing twist

Answer

Aerodynamic wing twist

Question 31

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 32

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 33

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

Accepted Answer

TAS

Answer

CAS

Answer

IAS

Answer

Ground speed

Question 34

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 35

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 36

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 37

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 38

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 an 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 39

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 40

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 41

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 42

What kind of control surface is connected with the nose wheel?

Accepted Answer

Rudder

Answer

Elevator

Answer

Trim rudder

Answer

Aileron

Question 43

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 44

With increasing altitude, the power of a carburettor engine...

Accepted Answer

Decreases

Answer

Remains constant.

Answer

First decreases, from 5000 ft on increases

Answer

Increases

Question 45

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 46

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 47

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 48

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 49

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 50

Which constructional elements give the wing its profile shape?

Accepted Answer

Rips

Answer

Planking

Answer

Spar

Answer

Tip

Question 51

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

80 m less than before

Answer

Values depending on QNH

Answer

Zero

Question 52

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

Accepted Answer

"DC"

Answer

"EL".

Answer

"AL".

Answer

"CO".

Question 53

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 54

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 55

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 56

The airspeed indicator is unservicable. 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 57

Where is the brake system installed to slow the aircraft on ground?

Accepted Answer

Only on the main gear

Answer

On the tail wheel

Answer

On the nose and main gear

Answer

Only on the nose gear

Question 58

A flight level is a...

Accepted Answer

Pressure altitude.

Answer

Density altitude

Answer

Altitude above ground

Answer

True altitude.

Question 59

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 60

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 61

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 62

How are the flight controls on a small single-engine piston aircraft normally controlled and actuated?

Accepted Answer

Manually through rods and control cables

Answer

Power-assisted through hydraulic pumps or electric motors

Answer

Hydraulically through hydraulic pumps and actuators

Answer

Electrically through fly-by-wire

Question 63

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 64

What is the purpose of winglets?

Accepted Answer

Reduction of induced drag

Answer

Increase gliging performance at high speed.

Answer

Increase of lift and turning manoeuvering capabilities

Answer

To increase efficiency of aspect ratio

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