M11c1-3

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問題一覧

Flight spoilers are primarily used

with differential ailerons to reduce adverse yaw in a turn.

The rudder limiter reduces rudder travel at high speeds in order to prevent

rudder/stabilizer overload.

A servo tab is

connected directly to the pilot's control and moves the control surface to which it is attached aerodynamically

Control surface bias may be provided on one or more control surfaces to

make an aircraft oppose a constant disturbing force such as propeller slipstream.

On aircraft fitted with spoilers for lateral control, a roll to the right is caused by

right spoilers extending, left spoilers remaining retracted.

If the leading edge of a variable incidence stabilizer is moved downwards, there will be a

nose up moment on the aeroplane.

Flaperons

provide higher lift at low speed or roll control, or a combination of both.

Lift dumpers are used

after touchdown only.

A saw tooth leading edge

helps to prevent spanwise flow of the airflow across the wing.

Spring tabs provide

an aerodynamic assistance to movement of the control surfaces at high aircraft speeds only.

On an aeroplane fitted with inboard and outboard ailerons, the outboard ailerons are

ineffective at high speed.

An aerodynamic balance tab control rod

is not connected to the control surface.

The leading edge of an all moving tailplane goes down causing

the aircraft to pitch up

The Critical Mach No. can be increased by

sweeping back the wing.

A detrimental factor affecting the airflow in engine intakes of high speed aircraft

is formation of shockwaves.

To counter the effect of a shift of centre of pressure as an aircraft flies through the transonic region, fuel is pumped

backwards

Area rule' is a design feature sometimes used to

reduce drag at transonic and supersonic speeds.

The increase in skin temperature, due to aerodynamic heating, of a high speed aircraft is approximately proportional to

the square of the aircraft speed.

The ailerons are rigged so the one moving upward will travel farther than the one moving downward is called

differential ailerons.

Control surface that used to disrupt airflow over the wing is

spoiler

The ratio of speed at an aircraft to the local sound speed expresses the

mach number.

The purpose of a slot in a wing is to

act as venturi, accelerate the air and re-energise boundary layer.

will increase wing area and camber.

Fowler flap

A leading edge slat is a device for

increasing the stalling angle of the wing.

A factor of great importance in the study of high-speed flight is the

speed of sound

When tension exceeds the elastic limit of a material it will

remain permanently deformed

the slat that is permenantly extended is called

fixed

Elevons are fitted to the…………of the left and right wings of delta winged aircraft.

trailing edge

Imaginary axis that goes vertically through the aircraft is

normal axis.

The speed of sound is very important in aviation and depends

solely on the temperature

Aircraft fibreglass panels are protected against lightning strikes, partially by

bonding

System installation in an aircraft structure is provided by

brackets, reinforcements and cut-outs in the structure.

The radome is protected from lightning strike by

Diverter strips.

If an aircraft major structural element is replaced after a fixed number of flight cycles, this is known as

safe-life.

Ventilation to outside air is provided in a large transport aircraft fuselage structure in order to

relieve excess pressures and remove hazardous or foul smelling gases.

If an aircraft structure uses multiple load paths to ensure integrity, this design philosophy is known as

fail safe.

Damage tolerant structure is a structure where aeroplane damage is detected and repaired before

the strength is below a minimum level.

Exhaust gas deposits forming on areas of aircraft structure

can cause corrosion and must be removed with special solvents as recommended by the aircraft manufacturer.

Stringers are usually constructed of

pressed aluminium alloy sheet.

The most common method of anodizing an aluminium alloy structural component is

sulphuric acid anodizing.

Fuselage formers are usually constructed of

pressed aluminium alloy sheet.

Longerons are usually constructed of

pressed or rolled aluminium alloy.

The floor structure of a large transport aircraft passenger cabin is constructed of

beams, intercostals and composite/honeycomb sandwich panels.

A waffle doubler, bonded to the inside of a fuselage skin, performs the function of a

tear stopper.

An A symmetry check is carried out on aeroplane structure primarily

to check whether any distoration has taken place

The structure which carries flight, ground or pressure loads is called

primary structure

Damage to the nose cone of an aircraft is prevented during a lightning strike by

Bonding Strip

Composite materials are bonded by

special paint.

Most large transport aircraft skins are

2024.

oppose buckling in a semi-monocoque structure.

Stringers

The heat returned when the water vapour changes into a liquid is called

latent heat of condensation.

A method in which heat is transferred by vertical currents in a liquid or gas is

convection method.

The component that act as a reservoir for the refrigerant is

receiver/drier.

The actual height above sea level at which an aircraft is flying is called

aircraft altitude

The aircraft fuselage relies largely on the strength of the skin or covering to carry the primary stress is called

monocoque fuselage.

The colour used to identify the secondary structures is

Yellow or hatched.

The location identification system is used to pinpoint

the various locations in an aeroplane.

Pressurized aircraft cabin is affected by

Hoop stress.

The type of structure which carries only air or inertial loads is

tertiary

ATA zone 100 is

lower fuselage

The major zone number of landing gear is

700

Passenger windows in a large transport category aircraft normally have

two load-bearing panes

The power supply to a cargo loading system is available

only when the cargo door is fully open.

Seat track cut-outs on large passenger carrying aircraft, provide for various seat spacing, usually in

one inch increments.

The primary structural components that make up a wing on a large metal constructed aeroplane are

skin, spar, ribs, stringers.

Wing-mounted engine pylons are attached to the

front spar only.

During steady flight, the upper skin of a wing is

in compression.

The ‘web’ of a wing spar is designed primarily to withstand

shear load.

empennage configuration must the vertical stabiliser be constructed to be strongest.

A high horizontal stabiliser (‘T’ tail)

On a modern transport aircraft, the structural members of a stabiliser structure (spars, ribs, skin panels) are most likely to be constructed of

carbon and/or glass fibre composites.

Mass balance on a control surface is provided to

prevent control surface flutter.

Aerodynamic balance of control surfaces is normally carried out by

arranging some surface area forward of the hinge line.

A mass attached to the leading edge of a control surface is for

flutter control.

is a type of engine pylon sometimes called a ‘stub wing’

Aft fuselage engine mount

Hinged engine cowlings are normally divided into two types. These are

hot section and cold section cowlings

If an engine cowling is constructed of composite materials, metal strips fitted to the surface of the cowling is for

lightning protection.

Doors that close the fuselage from the inside are called

plug- type doors.

Dummy windows are made of………..of aluminium alloy plate.

one layer

The construction of the type of joint in which the upper skin panel overlaps the lower skin panel is called

lap joint.

The largest load on the aircraft construction

landing gears.

One of the main requirements that the door of the aircraft should have is

the door must be opened and closed from the inside and outside.

Scratches on aircraft windows which is less than 0.254 mm (.010inces) deep is called

light scratches.

The main lengthwise members in a wing truss are

the spar.

Fitting external tanks to the wing tips helps to prevent

induce drag.

An overweight landing is one in which the aircraft has

too much kinetic energy on landing.

One purpose of a rib is to

maintain the correct contour of an aerofoil covering.

A spar is tapered from root to tip because

bending moment is greatest at the root.

Cabin doors and emergency exits are normally sealed by

inflatable rubber seals.

Acrylic sheets should be stored

vertically

A wing that does not need any external struts or braces is known as a

cantilever

The lower wing surface is usually made from aluminium alloy

2024.

in pressurized aeroplane cabins There are two types of leakage in an aircraft pressure vessel

controlled and uncontrolled.

The doors in the pressurized cabin can be divided into two groups

plug-type doors and non plug-type doors

Firewalls usually made of stainless steel, titanium or thermoplastics, in order to

limit the propagation of fire

Air pressure sealing system is

to make it possible to use pressurizes cabins.

For comfortable cabin conditions the air in the cabin should be maintained between

21°C and 27°C

The bolted wing attachment is mainly used in

small aircrafts

The radome is a cone-shaped structure made from

fiberglass

are used to make up the framework of the wing

Ribs

100

Most wing spars are built up from aluminum alloy

7075

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問題一覧

Flight spoilers are primarily used

with differential ailerons to reduce adverse yaw in a turn.

The rudder limiter reduces rudder travel at high speeds in order to prevent

rudder/stabilizer overload.

A servo tab is

connected directly to the pilot's control and moves the control surface to which it is attached aerodynamically

Control surface bias may be provided on one or more control surfaces to

make an aircraft oppose a constant disturbing force such as propeller slipstream.

On aircraft fitted with spoilers for lateral control, a roll to the right is caused by

right spoilers extending, left spoilers remaining retracted.

If the leading edge of a variable incidence stabilizer is moved downwards, there will be a

nose up moment on the aeroplane.

Flaperons

provide higher lift at low speed or roll control, or a combination of both.

Lift dumpers are used

after touchdown only.

A saw tooth leading edge

helps to prevent spanwise flow of the airflow across the wing.

Spring tabs provide

an aerodynamic assistance to movement of the control surfaces at high aircraft speeds only.

On an aeroplane fitted with inboard and outboard ailerons, the outboard ailerons are

ineffective at high speed.

An aerodynamic balance tab control rod

is not connected to the control surface.

The leading edge of an all moving tailplane goes down causing

the aircraft to pitch up

The Critical Mach No. can be increased by

sweeping back the wing.

A detrimental factor affecting the airflow in engine intakes of high speed aircraft

is formation of shockwaves.

To counter the effect of a shift of centre of pressure as an aircraft flies through the transonic region, fuel is pumped

backwards

Area rule' is a design feature sometimes used to

reduce drag at transonic and supersonic speeds.

The increase in skin temperature, due to aerodynamic heating, of a high speed aircraft is approximately proportional to

the square of the aircraft speed.

The ailerons are rigged so the one moving upward will travel farther than the one moving downward is called

differential ailerons.

Control surface that used to disrupt airflow over the wing is

spoiler

The ratio of speed at an aircraft to the local sound speed expresses the

mach number.

The purpose of a slot in a wing is to

act as venturi, accelerate the air and re-energise boundary layer.

will increase wing area and camber.

Fowler flap

A leading edge slat is a device for

increasing the stalling angle of the wing.

A factor of great importance in the study of high-speed flight is the

speed of sound

When tension exceeds the elastic limit of a material it will

remain permanently deformed

the slat that is permenantly extended is called

fixed

Elevons are fitted to the…………of the left and right wings of delta winged aircraft.

trailing edge

Imaginary axis that goes vertically through the aircraft is

normal axis.

The speed of sound is very important in aviation and depends

solely on the temperature

Aircraft fibreglass panels are protected against lightning strikes, partially by

bonding

System installation in an aircraft structure is provided by

brackets, reinforcements and cut-outs in the structure.

The radome is protected from lightning strike by

Diverter strips.

If an aircraft major structural element is replaced after a fixed number of flight cycles, this is known as

safe-life.

Ventilation to outside air is provided in a large transport aircraft fuselage structure in order to

relieve excess pressures and remove hazardous or foul smelling gases.

If an aircraft structure uses multiple load paths to ensure integrity, this design philosophy is known as

fail safe.

Damage tolerant structure is a structure where aeroplane damage is detected and repaired before

the strength is below a minimum level.

Exhaust gas deposits forming on areas of aircraft structure

can cause corrosion and must be removed with special solvents as recommended by the aircraft manufacturer.

Stringers are usually constructed of

pressed aluminium alloy sheet.

The most common method of anodizing an aluminium alloy structural component is

sulphuric acid anodizing.

Fuselage formers are usually constructed of

pressed aluminium alloy sheet.

Longerons are usually constructed of

pressed or rolled aluminium alloy.

The floor structure of a large transport aircraft passenger cabin is constructed of

beams, intercostals and composite/honeycomb sandwich panels.

A waffle doubler, bonded to the inside of a fuselage skin, performs the function of a

tear stopper.

An A symmetry check is carried out on aeroplane structure primarily

to check whether any distoration has taken place

The structure which carries flight, ground or pressure loads is called

primary structure

Damage to the nose cone of an aircraft is prevented during a lightning strike by

Bonding Strip

Composite materials are bonded by

special paint.

Most large transport aircraft skins are

2024.

oppose buckling in a semi-monocoque structure.

Stringers

The heat returned when the water vapour changes into a liquid is called

latent heat of condensation.

A method in which heat is transferred by vertical currents in a liquid or gas is

convection method.

The component that act as a reservoir for the refrigerant is

receiver/drier.

The actual height above sea level at which an aircraft is flying is called

aircraft altitude

The aircraft fuselage relies largely on the strength of the skin or covering to carry the primary stress is called

monocoque fuselage.

The colour used to identify the secondary structures is

Yellow or hatched.

The location identification system is used to pinpoint

the various locations in an aeroplane.

Pressurized aircraft cabin is affected by

Hoop stress.

The type of structure which carries only air or inertial loads is

tertiary

ATA zone 100 is

lower fuselage

The major zone number of landing gear is

700

Passenger windows in a large transport category aircraft normally have

two load-bearing panes

The power supply to a cargo loading system is available

only when the cargo door is fully open.

Seat track cut-outs on large passenger carrying aircraft, provide for various seat spacing, usually in

one inch increments.

The primary structural components that make up a wing on a large metal constructed aeroplane are

skin, spar, ribs, stringers.

Wing-mounted engine pylons are attached to the

front spar only.

During steady flight, the upper skin of a wing is

in compression.

The ‘web’ of a wing spar is designed primarily to withstand

shear load.

empennage configuration must the vertical stabiliser be constructed to be strongest.

A high horizontal stabiliser (‘T’ tail)

On a modern transport aircraft, the structural members of a stabiliser structure (spars, ribs, skin panels) are most likely to be constructed of

carbon and/or glass fibre composites.

Mass balance on a control surface is provided to

prevent control surface flutter.

Aerodynamic balance of control surfaces is normally carried out by

arranging some surface area forward of the hinge line.

A mass attached to the leading edge of a control surface is for

flutter control.

is a type of engine pylon sometimes called a ‘stub wing’

Aft fuselage engine mount

Hinged engine cowlings are normally divided into two types. These are

hot section and cold section cowlings

If an engine cowling is constructed of composite materials, metal strips fitted to the surface of the cowling is for

lightning protection.

Doors that close the fuselage from the inside are called

plug- type doors.

Dummy windows are made of………..of aluminium alloy plate.

one layer

The construction of the type of joint in which the upper skin panel overlaps the lower skin panel is called

lap joint.

The largest load on the aircraft construction

landing gears.

One of the main requirements that the door of the aircraft should have is

the door must be opened and closed from the inside and outside.

Scratches on aircraft windows which is less than 0.254 mm (.010inces) deep is called

light scratches.

The main lengthwise members in a wing truss are

the spar.

Fitting external tanks to the wing tips helps to prevent

induce drag.

An overweight landing is one in which the aircraft has

too much kinetic energy on landing.

One purpose of a rib is to

maintain the correct contour of an aerofoil covering.

A spar is tapered from root to tip because

bending moment is greatest at the root.

Cabin doors and emergency exits are normally sealed by

inflatable rubber seals.

Acrylic sheets should be stored

vertically

A wing that does not need any external struts or braces is known as a

cantilever

The lower wing surface is usually made from aluminium alloy

2024.

in pressurized aeroplane cabins There are two types of leakage in an aircraft pressure vessel

controlled and uncontrolled.

The doors in the pressurized cabin can be divided into two groups

plug-type doors and non plug-type doors

Firewalls usually made of stainless steel, titanium or thermoplastics, in order to

limit the propagation of fire

Air pressure sealing system is

to make it possible to use pressurizes cabins.

For comfortable cabin conditions the air in the cabin should be maintained between

21°C and 27°C

The bolted wing attachment is mainly used in

small aircrafts

The radome is a cone-shaped structure made from

fiberglass

are used to make up the framework of the wing

Ribs

100

Most wing spars are built up from aluminum alloy

7075