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

Question 1

What is the unit for electrical power?

Accepted Answer

Watt

Answer

Ampere

Answer

Ohm

Answer

Volt

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

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 4

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 5

Which of the following options states the working principle of a vertical speed indicator?

Accepted Answer

Measuring the present static air pressure and comparing it to the static air pressure inside a reservoir

Answer

Total air pressure is measured and compared to static pressure

Answer

Measuring the vertical acceleration through the displacement of a gimbal-mounted mass

Answer

Static air pressure is measured and compared against a vacuum

Question 6

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

Eqal to the true altitude.

Answer

Equal to the standard altitude.

Question 7

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 8

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 9

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 10

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 11

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 12

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 13

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 14

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 15

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 16

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 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

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 19

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 20

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 21

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 22

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 23

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 24

Which constructional elements give the wing its profile shape?

Accepted Answer

Rips

Answer

Planking

Answer

Spar

Answer

Tip

Question 25

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

Accepted Answer

Rich

Answer

Lean

Answer

Full

Answer

Empty

Question 26

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 27

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 28

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 failing

Question 29

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 30

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

Accepted Answer

Ailerons

Answer

Rudder

Answer

Elevator

Answer

Trim tab

Question 31

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 32

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 33

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 34

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 35

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 36

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 37

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 38

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 39

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 40

What are the major components of an aircraft's tail?

Accepted Answer

Horizontal tail and vertical tail

Answer

Ailerons and elevator

Answer

Rudder and ailerons

Answer

Steering wheel and pedals

Question 41

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 42

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 43

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 44

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 45

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 46

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 47

Which of the following are an aircraft's secondary flight controls?

Accepted Answer

Wing flaps, leading edge devices, spoilers or speedbrakes, trim systems

Answer

Elevator, rudder, aileron

Answer

All movable parts on the aircraft which aid in controlling the aircraft

Answer

Elevator, rudder, aileron, trim tabs, high-lift wing devices, power controls

Question 48

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 49

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 50

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 51

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 52

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

Accepted Answer

"DC"

Answer

"EL".

Answer

"AL".

Answer

"CO".

Question 53

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

Accepted Answer

Yellow

Answer

Green

Answer

Red

Answer

White

Question 54

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 55

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 56

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

Accepted Answer

Rudder

Answer

Elevator

Answer

Trim rudder

Answer

Aileron

Question 57

Which are the advantages of sandwich structures?

Accepted Answer

Low weight, high stiffness, high stability, and high strength

Answer

High temperature durability and low weight

Answer

Good formability and high temperature durability

Answer

High strength and good formability

Question 58

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 59

What does the slip indicator show?

Accepted Answer

Apparent vertical

Answer

Rate of turn

Answer

Vertical to horizon

Answer

Airplane's bank

Question 60

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 61

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 62

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 63

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 64

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

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