Aircraft General Knowledge - AC

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About these flashcards

This flashcard set covers advanced aircraft systems and instruments at a university level. It focuses on understanding pressure, flight indicators, airspeed, and engine control systems, along with their errors and corrections. Pilots and aviation students will benefit from this set to improve their knowledge of aircraft instrumentation and system functionality, ensuring safer and more efficient flight operations.

Flashcards

163

Students

Language

English

Category

Technology

Level

University

Created / Updated

25.12.2024 / 27.12.2024

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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.

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

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.

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

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

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.

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

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

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

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

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)

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

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

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

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

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.

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.

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.

A horizontal situation indicator (HSI) combines the information provided by...

the directional gyro and the VHF navigation receiver.

the attitude indicator and the flight director.

the rate gyro and the slip indicator.

the directional gyro and the flight director.

the directional gyro and the VHF navigation receiver.

the attitude indicator and the flight director.

the rate gyro and the slip indicator.

the directional gyro and the flight director.

Which part of the cycle of a four-stroke Otto engine can be seen in the attachment? See figure (AGK-008)

First stroke - induction

Second stroke - compression

Third stroke - power

Fourth stroke – exhaust

First stroke - induction

Second stroke - compression

Third stroke - power

Fourth stroke – exhaust

Number 4 on the gear designates the...

strut.

fork.

torque link.

inner shock absorber.

strut.

fork.

torque link.

inner shock absorber.

How is referred to a tubular steel construction with a non self-supporting skin?

Grid construction

Semi-monocoque construction

Honeycomb structure

Monocoque construction

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

Grid construction

Semi-monocoque construction

Honeycomb structure

Monocoque construction

The thickness of the wing is defined as the distance between the lower and the upper side of the wing at the...

thickest part of the wing.

thinnest part of the wing.

most outer part of the wing.

most inner part of the wing.

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

thickest part of the wing.

thinnest part of the wing.

most outer part of the wing.

most inner part of the wing.

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

Fairing, frames and straps

Girders, rips and stringers

Covers, stringers and forming parts

Rips, frames and covers

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

Fairing, frames and straps

Girders, rips and stringers

Covers, stringers and forming parts

Rips, frames and covers

Which wing configuration is shown in the attachment?

Low wing

Mid wing

Shoulder wing

Strut-braced shoulder wing

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

Low wing

Mid wing

Shoulder wing

Strut-braced shoulder wing

A construction made of frames and straps with a supporting skin is called...

Monocoque- or semi-monocoque construction.

Grid construction.

Wood- or mixed construction.

Honeycomb structure.

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

Monocoque- or semi-monocoque construction.

Grid construction.

Wood- or mixed construction.

Honeycomb structure.

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

Elevator and rudder

Steering wheel and pedals

Ailerons and elevator

Rudder and ailerons

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

Elevator and rudder

Steering wheel and pedals

Ailerons and elevator

Rudder and ailerons

Which tail assembly is shown in the attachment?

T-tail

Cruciform tail

V-tail

Fuselage-mounted tail

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

T-tail

Cruciform tail

V-tail

Fuselage-mounted tail

The sandwich structure consists of two...

thin layers and a light core material.

thick layers and a light core material.

thin layers and a heavy core material.

thick layers and a heavy core material.

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

thin layers and a light core material.

thick layers and a light core material.

thin layers and a heavy core material.

thick layers and a heavy core material.

Which constructional elements give the wing its profile shape?

Spar

Rips

Planking

Tip

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

Spar

Rips

Planking

Tip

The load factor "n" describes the relationship between...

lift and weight.

thrust and drag.

weight and thrust.

drag and lift.

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

lift and weight.

thrust and drag.

weight and thrust.

drag and lift.

Which are the advantages of sandwich structures?

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

High temperature durability and low weight

High strength and good formability

Good formability and high temperature durability

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

High temperature durability and low weight

High strength and good formability

Good formability and high temperature durability

Which of the stated materials shows the highest strength?

Carbon fiber

Wood

Aluminium

Magnesium

Carbon fiber

Wood

Aluminium

Magnesium

What needs to be considered if permissible limitations were exceeded?

The helicopter must be inspected by a qualified engineer before the next flight

The helicopter must be inspected by the pilot in command and if no defect is found, no appropriate entry in the aircraft technical log is necessary

The helicopter must be inspected by at least two pilots licensed on the type, one of whom must be the pilot in command

The helicopter must be subjected to a duplicate inspected by two engineers

The helicopter must be inspected by a qualified engineer before the next flight

The helicopter must be inspected by the pilot in command and if no defect is found, no appropriate entry in the aircraft technical log is necessary

The helicopter must be inspected by at least two pilots licensed on the type, one of whom must be the pilot in command

The helicopter must be subjected to a duplicate inspected by two engineers

Reasons for dents in the helicopter structure are...

material defects or old colour.

hard landing or excessive stress.

intense erosion or high wear.

excessive engine rpm and cylinder defects.

material defects or old colour.

hard landing or excessive stress.

intense erosion or high wear.

excessive engine rpm and cylinder defects.

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

Mineral oil

Synthetic oil

Vegetable oil

Bio-oil

Mineral oil

Synthetic oil

Vegetable oil

Bio-oil

Number 6 on the gear designates the...

shock absorber bracket.

steering lever.

handle bar.

shock absorber.

shock absorber bracket.

steering lever.

handle bar.

shock absorber.

What number marks the shock absorber?

What is a disadvantage of a retractable landing gear?

Higher weight

More drag during flight

Higher fuel burn

Higher approach speed

Higher weight

More drag during flight

Higher fuel burn

Higher approach speed

Number 3 on the gear designates the...

strut.

fork.

torque link.

inner shock absorber.

strut.

fork.

torque link.

inner shock absorber.

Number 1 on the gear designates the...

strut.

fork.

torque link.

inner shock absorber.

strut.

fork.

torque link.

inner shock absorber.

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Cartes-fiches

A horizontal situation indicator (HSI) combines the information provided by...

the directional gyro and the VHF navigation receiver.

the attitude indicator and the flight director.

the rate gyro and the slip indicator.

the directional gyro and the flight director.

Which part of the cycle of a four-stroke Otto engine can be seen in the attachment? See figure (AGK-008)

First stroke - induction

Second stroke - compression

Third stroke - power

Fourth stroke – exhaust

Number 4 on the gear designates the...

strut.

fork.

torque link.

inner shock absorber.

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Aircraft General Knowledge - AC

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