Lernkartei Aircraft General Knowledge

Karten	163
Sprache	English
Kategorie	Technik
Stufe	Universität
Erstellt / Aktualisiert	25.12.2024 / 27.12.2024
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The earth's magnetic field is referenced to...

the magnetic north pole.

the geographic north pole.

the equator.

the prime meridian.

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

deviation.

variation.

declination.

inclination.

A magnetic compass is subject to which of the following errors?

Variation, deviation, turning and acceleration errors

Inclination and declination

Declination, conjugation, turning and acceleration errors

Gravity and magnetism

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

Airspeed indicator

Vertical speed indicator

Altimeter

Navigational computer

An aircraft in the northern hemisphere accelerates on a magnetic heading of 090°. The indication of the direct reading compass...

indicates a greater heading.

indicates a smaller heading.

remains constant.

indicates the opposite course.

Which cockpit instruments are connected to the static port?

Altimeter, vertical speed indicator, airspeed indicator

Airspeed indicator, altimeter, direct-reading compass

Airspeed indicator, direct-reading compass, slip indicator

Altimeter, slip indicator, navigational computer

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?

330°

030°

360°

270°

The term "static pressure" is defined as pressure...

of undisturbed airflow.

inside the airplane cabin.

sensed by the pitot tube.

resulting from orderly flow of air particles.

How does the static air pressure change when airflow speed (True Airspeed) is doubled?

By a factor of 4

By a factor of 2

By a factor of 1/2

By a factor of 8

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?

210°.

150°.

360°.

180°.

An aircraft in the northern hemisphere accelerates on a magnetic heading of 270°. Which reaction do you expect from the magnetic compass indication?

An indication of approximately 300°

An indication of approximately 240°

An indication of approximately 270°

An indication of approximately 090°

An aircraft in the northern hemisphere decelerates on a magnetic heading of 270°. Which reaction do you expect from the magnetic compass indication?

An indication of approximately 240°

An indication of approximately 300°

An indication of approximately 270°

An indication of approximately 090°

What does the dynamic pressure depend on?

Air density and airflow speed squared

Air density and lift coefficient

Air pressure and air temperature

Lift- and drag coefficient

What are the reasons for the rotation error of a compass? 1. Deviation 2. Inclination 3. Acceleration in a curve 4. Declination

1 and 4

3 and 4

1 and 2

2 and 3

What behaviour is shown by a rotating gyro in space?

It tends to maintain its position in space

It swings from east to west like a pendulum

It moves in circles with a steadily decreasing radius

It moves in accordance with the body surrounding it

A gyro which is rotating in space responds to forces being applied to it by an evasive movement...

at an angle of 90° to the force being applied.

at an angle of 180° to the force being applied.

at an angle of 45° to the force being applied.

in a northern direction.

The apparent drift of a gyro equals...

15°/h x cos(longitude).

13°/h x sin(latitude).

13°/h x cos(longitude).

15°/h x sin(latitude).

The static ports of an airplane are blocked. Which instruments may show wrong indications?

Altimeter, vertical speed indicator, airspeed indicator

Airspeed indicator, vertical speed indicator, slip indicator

Altimeter, slip indicator, direct-reading compass

Vertical speed indicator, altimeter, slip indicator

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

IAS.

CAS.

TAS.

Ground speed.

A turn and bank (or turn and slip) coordinator provides information regarding...

the rate of turn and coordination, i.e. slip or skid, of the turn.

the rate of turn and bank angle of the aircraft.

the coordination of the turn and slip angle.

the pitch and bank angle of the aircraft.

The artificial horizon belongs to the...

capsule instruments.

gyro instruments.

engine monitoring instruments.

electrical systems.

What error is subjected to the artificial horizon?

Gimbal error

Hysteresis error

Acceleration error

Blockage of the Pitot tube

Gyros suffer from what kinds of errors?

Hysteresis error

Gimbal errors

Acceleration errors

Deviation

Unless a directional gyro is slaved to a magnetic sensor (flux gate), its reading needs to be checked and corrected at regular intervals. The main reason for this is...

the apparent drift caused by the earth's rotation.

the change in magnetic variation as the aircraft changes its position.

the precession with which it responds to a force applied to it.

the change in power provided to the suction pump as the engine power setting is changed.

Which light colour advises the pilot to the condition "immediate corrective action is required"?

Red

Amber

Blue

Green

The airspeed indicator is unserviceable. The airplane may only be operated...

when the airspeed indicator is fully functional again.

when a GPS with speed indication is used during flight.

if only airfield patterns are flown.

if no maintenance organisation is around.

What does the abbreviation ADI stand for?

Attitude Director Indicator

Advanced Directional Indicator

Attitude Deviation Indication

Aircraft De-Icing

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

Yellow

Green

Red

White

An attitude director indicator (ADI) combines the information provided by...

the attitude indicator and the flight director.

the directional gyro and the rate gyro.

the attitude indicator and the relative bearing indicator.

the attitude indicator and the radio magnetic indicator.

What does the slip indicator show?

Apparent vertical

Vertical to horizon

Airplane's bank

Rate of turn

The slip indicator's ball (apparent vertical) has moved to the right during a right turn. By what actions may the ball be led back to middle position?

Reduce bank, increase rate of turn

Increase bank, increase rate of turn

Reduce speed, increase bank

Reduce rate of turn, reduce bank

What does the abbreviation EFIS stand for?

Electronic Flight Instrument System

Electric Flight Information System

Enhanced Flight Instrumentation System

Enhanced Flap Indicator System

The primary flight display (PFD) of an EFIS system may include which of the following information?

Attitude, heading, radial, track, approach course, flight director

Navigational information, heading and track, bearings, wind direction and speed.

Engine oil pressure and temperature, cylinder head temperature, exhaust gas temperature

ATC flight plan, active flight management system flight plan, communications

The navigation display (ND) of an EFIS system may include which of the following information?

Navigational information, heading and track, bearings, wind, position

Attitude, indicated airspeed (IAS), speed trend vector, altitude, vertical speed

Engine oil pressure and temperature, cylinder head temperature, exhaust gas temperature

ATC flight plan, communications with air traffic control (ATC)

What difference in altitude is shown by an altimeter, if the reference pressure scale setting is changed from 1000 hPa to 1010 hPa?

80 m more than before

80 m less than before

Values depending on QNH

Zero

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

Before every flight and during cross country flights

Every day before the first flight

After maintenance has been finished

Once a month before flight operation

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

Height above airfield

Altitude above MSL

Airfield elevation

Pressure altitude

A vertical speed indicator connected to a too big equalizing tank results in...

indication too high

indication too low

no indication

mechanical overload

A vertical speed indicator measures the difference between...

instantaneous static pressure and previous static pressure.

total pressure and static pressure.

dynamic pressure and total pressure.

instantaneous total pressure and previous total pressure.

The term "inclination" is defined as...

angle between earth's magnetic field lines and horizontal plane.

angle between airplane's longitudinal axis and true north.

angle between magnetic and true north.

deviation induced by electrical fields.

Aircraft General Knowledge - AC

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