Lernkartei Aircraft General Knowledge

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Sprache	English
Kategorie	Technik
Stufe	Universität
Erstellt / Aktualisiert	25.12.2024 / 27.12.2024
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How is referred to a tubular steel construction with a non self-supporting skin?

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.

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

Which wing configuration is shown in the attachment?

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.

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

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

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.

Which constructional elements give the wing its profile shape?

Spar

Rips

Planking

Tip

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

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

Which of the stated materials shows the highest strength?

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

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.

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

Mineral oil

Synthetic oil

Vegetable oil

Bio-oil

Number 6 on the gear designates the...

shock absorber bracket.

steering lever.

handle bar.

shock absorber.

What number marks the shock absorber?

1

2

3

4

What is a disadvantage of a retractable landing gear?

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.

Number 1 on the gear designates the...

strut.

fork.

torque link.

inner shock absorber.

The fuselage structure may be damaged by...

exceeding the manoeuvering speed in heavy gusts.

stall after exceeding the maximum angle of attack.

neutralizing stick forces according to actual flight state.

airspeed decreasing below a certain value.

How is the nose or tail wheel usually controlled on small aircraft and motor gliders?

By the pedals

By the control column

By the steering wheel

By weight movement

Where is the brake system installed to slow the aircraft on ground?

Only on the nose gear

Only on the main gear

On the tail wheel

On the nose and main gear

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

Aileron

Rudder

Elevator

Trim rudder

What is checked by the marking in the attachment?

The correct position of the tire relative to the rim

The tread wear of the tire

The operating pressure of the carcass

The correct position of the outer isolation layers

About how many axes does an aircraft move and how are these axes called?

3; vertical axis, lateral axis, longitudinal axis

3; x-axis, y-axis, z-axis

4; vertical axis, lateral axis, longitudinal axis, axis of speed

4; optical axis, imaginary axis, sagged axis, axis of evil

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

ailerons.

rudder.

elevator.

trim tab.

How is the movement of an aircraft around its lateral axis called and by which flight control is this movement primarily initiated?

Pitch and it is primarily controlled by the elevator

Roll and it is primarily controlled by the ailerons

Roll and it is primarily controlled by the rudder

Yaw and it is primarily controlled by the rudder

How are the flight controls on a small single-engine piston aircraft normally controlled and actuated?

Manually through rods and control cables

Power-assisted through hydraulic pumps or electric motors

Hydraulically through hydraulic pumps and actuators

Electrically through fly-by-wire

What is the purpose of primary flight controls?

Primary flight controls are used by the pilot for the immediate control of pitch, roll and yaw of an aircraft

Primary flight controls are used by the pilot to control all movements of an aircraft during all phases of flight

Primary flight controls improve the aircraft's handling characteristics and relieve the pilot from excessive control forces

Primary flight controls are needed to control the aircraft's horizontal and vertical flight path, its forward speed, and overall performance

What is the purpose of primary flight controls?

Primary flight controls are used by the pilot for the immediate control of pitch, roll and yaw of an aircraft

Primary flight controls are used by the pilot to control all movements of an aircraft during all phases of flight

Primary flight controls improve the aircraft's handling characteristics and relieve the pilot from excessive control forces

Primary flight controls are needed to control the aircraft's horizontal and vertical flight path, its forward speed, and overall performance

What are the primary and the secondary effects of a rudder input to the left?

Primary: yaw to the left Secondary: roll to the left

Primary: yaw to the left Secondary: roll to the right

Primary: yaw to the right Secondary: roll to the left

Primary: yaw to the right Secondary: roll to the right

What are the primary and the secondary effects of an aileron input to the right?

Primary: roll to the right Secondary: yaw to the left

Primary: roll to the right Secondary: yaw to the right

Primary: roll to the left Secondary: yaw to the right

Primary: roll to the left Secondary: yaw to the left

What is the effect of pulling the control yoke or stick backwards?

The aircraft's tail will produce an increased downward force, causing the aircraft's nose to rise

The aircraft's tail will produce an increased downward force, causing the aircraft's nose to drop

The aircraft's tail will produce an increased upward force, causing the aircraft's nose to rise

The aircraft's tail will produce a decreased upward force, causing the aircraft's nose to drop

What happens to a helicopter during cruise when the stick is moved forward without other corrections?

The speed increases and the sink rate increases

The speed decreases and the sink rate increases

The speed increases and the sink rate decreases

The speed decreases and the sink rate decreases

Which of the following options states all primary flight controls of an aircraft?

Elevator, rudder, aileron

Flaps, slats, speedbrakes

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

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

What is the purpose of the secondary flight controls?

To improve the performance characteristics of an aircraft and relieve the pilot of excessive control forces

To enable the pilot to control the aircraft's movements about its three axes

To improve the turn characteristics of an aircraft in the low speed regime during approach and landing

To constitute a backup system for the primary flight controls

What is the purpose of a ground adjustable trim tab?

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

It is preset on the ground and further adjusted in flight to reduce the need to constantly re-trim the aircraft

It is set on the ground to correct an out-of-trim condition arising from the mass and balance situation of an aircraft

It is used to optimize the handling characteristics of an aircraft during ground operations

The trim wheel or lever in the cockpit is moved forward by the pilot. What effect does this action have on the trim tab and on the elevator?

The trim tab moves up, the elevator moves down

The trim tab moves up, the elevator moves up

The trim tab moves down, the elevator moves down

The trim tab moves down, the elevator moves up

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?

The trim tab moves up, the elevator moves down

The trim tab moves up, the elevator moves up

The trim tab moves down, the elevator moves down

The trim tab moves down, the elevator moves up

Aircraft General Knowledge - AC

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