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Module 11B > Mcq's > Flashcards

Mcq's Flashcards

1
Q

On a modern aircraft flight instrument display system, Radio deviation is shown on ?
EADI
EHSI
EHSI & EADI

A

? EHSI & EADI

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2
Q

Which part of the wing of a swept-wing aircraft stalls first ?
Tip stalls first
Root stalls first
Both stall together

A

Tip stalls first

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3
Q

Extending a leading edge slat will have what effect on the angle of attack of a wing?
Increase the angle of attack
No effect on angle of attack
Decrease the angle of attack

A

Decrease the angle of attack

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4
Q

An example of a secondary flight control is a ?
elevator
flap
spoiler

A

spoiler

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5
Q

When the trailing edge flaps are lowered, the aircraft will?
sink
pitch nose down
pitch nose up

A

pitch nose down

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6
Q

On an aircraft with an all-moving tailplane pitch up is caused by ?
increasing tailplane incidence
decreasing tailplane incidence
up movement of the elevator trim tab

A

decreasing tailplane incidence

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7
Q

What is a controlling factor of turbulence and skin friction ?
Aspect ratio
Fineness ratio
Countersunk rivets used on skin exterior

A

Countersunk rivets used on skin exterior

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8
Q

Fuselage station numbers are measured from the front of the aircraft in ?
feet
inches
feet and inches

A

inches

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9
Q

A permanent magnet should have.
Option A. low retentivity, low coercivity.
Option B. high retentivity, low coercivity.
Option C. low retentivity, high coercivity.

A

A
Correct Answer is. high retentivity, low coercivity.

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10
Q

During a normal engine shutdown, generator tripping is initiated by.
Option A. undervoltage.
Option B. underfrequency.
Option C. overcurrent.

A

Option A. undervoltage.

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11
Q

On engine shutdown, what prevents GCR being tripped?.
Option A. Under-volt.
Option B. Under-frequency.
Option C. Under-current.

A

Correct Answer is. Under-frequency.

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12
Q

To flash a generator field the.
Option A. generator is on line and producing a voltage less than the flashing voltage.
Option B. generator rotates but is not on line.
Option C. generator must be stationary.

A

Option C. generator must be stationary.

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13
Q

What happens temperature and pressure during combustion in a gas turbine engine?

A

Temp up, pressure same

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14
Q

Nose landing gear:

A

Centring cam -Locks inner and outer cylinder
No metering pin
Shimmy Damper - Prevents Oscillation. One to structure one to inner cylinder. Spring keeps the 2 Friction plates
Steering - Inner cylinder rotates via torque links

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15
Q

Landing energy gets transferred

A

Landing energy gets transferred to heat energy

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16
Q

Flutter plate aka:

A

Anti-rebound check valve

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17
Q

Sequence for L/G

A

Door unlock actuator,
Doors open,
Gear Unlock opens
Gear down,
Gear locked
Doors retracted.

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18
Q

Loads on the L/G

A

Lateral loads- Side strut
Longitudinal loads - 23mins Downlock actuator

19
Q

An orange indication means :

A

An orange indication means the doors are not up and locked

20
Q

Wheels are made from:

A

Magnesium or aluminium alloy

21
Q

How is a split rim attached:

A

Tie Bolts

22
Q

Detachable flange type wheel held together

A

Locking ring

23
Q

___% oxygen allowed in a tyre

A

5% oxygen allowed in a tyre

24
Q

Pressure relief valves - Fuse plug

A

Eutectic solder, over temp prevents over pressure
Change both wheels if one wheel goes

25
Q

How to store wheels,

A

Caged stored vertically, low pressure

26
Q

Static balancing

A

Red triangle -Lightest Spot
Grey/ Green spot (Awl mark) - Breather

27
Q

Ply rating :

A

Ply rating :
The max pressure of the tyre and the max load it can carry.

28
Q

Chines -

A

Chines - Nose wheels, Pylon mounted engines.
Diverts fod

29
Q

Extinguishing agent for wheels

A

Dry Powder and Co2

30
Q

Question Number. 6. Toilets are the subject of.
Option A. AWN 83.
Option B. AWN 79.
Option C. AWN 80.

A

Option A. AWN 83.

31
Q

The heater used on a drain mast would be a.
Option A. induction heater.
Option B. hot air blower.
Option C. ribbon heater.

A

Option C. ribbon heater.

32
Q

What is ARINC 664?

A

Full duplex switched ethernet

33
Q

How is a fire wire tested?

A

Resistance ceck

34
Q

Permanent magnet should have
a) low retentivity, high coercivity
b) high retentivity, low coercivity
c) low retentivity, low coercivity

A

b) high retentivity, low coercivity

35
Q

In an aircraft control system employing servo-tabs instillation of external ground locks to main control surface
a) is unnecessary since system is irreversible and therefore control surface cannot be displace by the wind
b) would not prevent movement of control column
c) would also prevent movement of control column

A

b) would not prevent movement of control column

36
Q

Stringers = What section?

A

Z

37
Q

Stringers are attached to the frames by ?

A

stringer clips

38
Q

Stringer sections are joined by ______________.

A

Stringer sections are joined by splice fittings.

39
Q

What type of component is a Fail Safe structure

A

Stringer

40
Q

Compressor -
Condensor -
Reciever Dryer -
Thermostatic/thermal expansion valve -
Evaporator -

A

Compressor - Increases temperature and pressure to make system more efficient
Condensor - Refrigerant heat given up to outside ambient temperature
Reciever Dryer - Serves as a reservoir for the liquid refrigerant and contains Dessicant that absorbs any moisture in the system
Thermostatic/thermal expansion valve - regulates the amount of refrigerant liquid flowing into the evaporator
Evaporator - Hot air taken from the cabin and transferred into the refrigerant

41
Q

In an aircraft system employing balance tabs, the installation of external ground locks between the control surface and the balance tabs.
Option A. would prevent the movement of the control column.
Option B. is unnecessary since the system is irreversible.
Option C. would not prevent the movement of the control column.

A

Correct Answer is. would prevent the movement of the control column.

42
Q

In an aircraft flying control system employing servo-tabs, the installation of external ground locks to the main control surface.
Option A. would not prevent movement of the control column.
Option B. is unnecessary since the system is irreversible and therefore the control surface cannot be displaced by the wind.
Option C. would also prevent movement of the control column.

A

Correct Answer is. would not prevent movement of the control column.

43
Q

Lead Acid electrolyte:

A

Sulphuric Acid

44
Q

What is the most important part that the vacuum pump plays in servicing a vapour cycle system:
1/ it ensures that all of the refrigerant is absent from the system before recharge
2/ it ensures that all the water vapour is removed from the system before recharge
3/ it ensures that all the air is free from the system before recharge

A

2/ it ensures that all the water vapour is removed from the system before recharge

Module 11B (42 decks)

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