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

Question 1

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 2

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 3

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 4

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 5

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 6

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 7

Which tail assembly is shown in the attachment? See figure (AGK-003) (1,00 P.) Siehe Anlage 2

Accepted Answer

T-tail

Answer

V-tail

Answer

Fuselage-mounted tail

Answer

Cruciform tail

Question 8

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 9

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 10

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 11

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 12

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 13

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 14

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 15

Which part of the cycle of a four-stroke Otto engine can be seen in the attachment? See figure (AGK-008) (1,00 P.) Siehe Anlage 6

Accepted Answer

Second stroke - compression

Answer

Third stroke - power

Answer

Fourth stroke - exhaust

Answer

First stroke - induction

Question 16

What is the unit for electrical power?

Accepted Answer

Watt

Answer

Ampere

Answer

Ohm

Answer

Volt

Question 17

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 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

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 20

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 21

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 22

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

Accepted Answer

Ailerons

Answer

Rudder

Answer

Elevator

Answer

Trim tab

Question 23

Number 2 on the gear designates the... See figure (AGK-005) (1,00 P.) Siehe Anlage 3

Accepted Answer

Movable inner cylinder

Answer

Fork

Answer

Torque link.

Answer

Fixed outer cylinder.

Question 24

Which colour does Avgas 100 LL have?

Accepted Answer

Blue

Answer

Red

Answer

Green

Answer

Yellow

Question 25

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 26

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 27

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 28

Which constructional elements give the wing its profile shape?

Accepted Answer

Rips

Answer

Planking

Answer

Spar

Answer

Tip

Question 29

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 increaes

Question 30

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 31

What does the abbreviation HSI stand for?

Accepted Answer

Horizontal Situation Indicator

Answer

Hybernating System Indication

Answer

Horizontal Slip Indicator

Answer

Horrifying Steep Inclination

Question 32

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 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

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 35

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 36

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 37

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 38

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 39

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 40

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 41

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 42

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 43

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 44

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 45

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 46

What is necessary for the determination of speed (IAS) by the airspeed indicator?

Accepted Answer

The difference betweeen the total pressure and the static presssure

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 47

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 48

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 49

The compass error caused by the aircraft's magnetic field is called...

Accepted Answer

Deviation

Answer

Variation

Answer

Declination

Answer

Inclination

Question 50

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 51

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 52

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 53

Which instrument can be affected by the hysteresis error?

Accepted Answer

Altimeter

Answer

Vertical speed indicator

Answer

Direct reading compass

Answer

Tachometer

Question 54

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 55

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 56

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 57

What is the purpose of engine oil in 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 58

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

Accepted Answer

Rudder

Answer

Elevator

Answer

Trim rudder

Answer

Aileron

Question 59

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 60

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 61

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 62

A flight level is a...

Accepted Answer

Pressure altitude.

Answer

Density altitude

Answer

Altitude above ground

Answer

True altitude.

Question 63

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 64

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

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