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

Question 1

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 2

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 3

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 4

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 5

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 6

Which cockpit instruments are connected to the static port?

Accepted Answer

Altimeter, vertical speed indicator, airspeed indicator

Answer

Airspeed indicator, direct-reading compass, slip indicato

Answer

Altimeter, slip indicator, navigational computer

Answer

Airspeed indicator, altimeter, direct-reading compass

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

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 9

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

Accepted Answer

Airspeed indicator

Answer

Vertical speed indicato

Answer

Direct-reading compass

Answer

Altimeter

Question 10

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 11

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 12

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 13

What is the unit for electrical power?

Accepted Answer

Watt

Answer

Ampere

Answer

Ohm

Answer

Volt

Question 14

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 15

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

Question 16

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 17

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 18

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 19

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 20

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 21

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 22

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 23

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 24

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 25

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

Accepted Answer

Synthetic oil

Answer

Mineral oil

Answer

Vegetable oi

Answer

Bio-oil

Question 26

Which colour does Avgas 100 LL have?

Accepted Answer

Blue

Answer

Red

Answer

Green

Answer

Yellow

Question 27

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 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

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 30

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 31

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

Accepted Answer

Deviation

Answer

Variation

Answer

Declination

Answer

Inclination

Question 32

What is the unit for voltage?

Accepted Answer

Volt

Answer

Ampere

Answer

Watt

Answer

Ohm

Question 33

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 34

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 35

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 36

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 37

What does the slip indicator show?

Accepted Answer

Apparent vertical

Answer

Rate of turn

Answer

Vertical to horizon

Answer

Airplane's bank

Question 38

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 39

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 40

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

Accepted Answer

Fork

Answer

Strut

Answer

Torque link

Answer

Inner shock absorber.

Question 41

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 42

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 43

A flight level is a...

Accepted Answer

Pressure altitude.

Answer

Density altitude

Answer

Altitude above ground

Answer

True altitude.

Question 44

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

Accepted Answer

Yellow

Answer

Green

Answer

Red

Answer

White

Question 45

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 46

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

Accepted Answer

TAS

Answer

CAS

Answer

IAS

Answer

Ground speed

Question 47

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 48

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

Accepted Answer

"DC"

Answer

"EL".

Answer

"AL".

Answer

"CO".

Question 49

Which of the stated materials shows the highest strength?

Accepted Answer

Carbon fiber re-inforced plastic

Answer

Aluminium

Answer

Wood

Answer

Magnesium

Question 50

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 51

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 52

Which part of the cycle of a four-stroke Otto engine can be seen in the attachment? See figure (AGK-007) (1,00 P.) Siehe Anlage 5

Accepted Answer

First stroke - induction

Answer

Second stroke - compression

Answer

Fourth stroke - exhaust

Answer

Third stroke - power

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

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 55

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 56

Which instrument can be affected by the hysteresis error?

Accepted Answer

Altimeter

Answer

Vertical speed indicator

Answer

Direct reading compass

Answer

Tachometer

Question 57

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

Accepted Answer

Ailerons

Answer

Rudder

Answer

Elevator

Answer

Trim tab

Question 58

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 59

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 60

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 61

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 62

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 63

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 64

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

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