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2AX5X > Vol.2 > Flashcards

Vol.2 Flashcards

1
Q

What is the purpose of the torsion links on a main landing gear?

A

To prevent the inner cylinder from rotating within the outer cylinder

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2
Q

How is the motion of the landing gear control lever transmitted to the selector valve?

A

By a cable system

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3
Q

What prevents the lock solenoid from energizing when the nose landing gear is off center?

A

Centering switch

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4
Q

What are known as electromagnetic devices capable of sensing magnetically conductive metal targets on landing gears?

A

Proximity sensors

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5
Q

What is known as a combination of the landing gear shimmy damper and steering unit?

A

A steer damper

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6
Q

What position must the landing gear control handle be in before emergency extension of the landing gear?

A

DN

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7
Q

What slows the free fall of the main landing gear during the emergency extension sequence?

A

Snubbing mechanism

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8
Q

What is the purpose of the landing gear warning horn?

A

To sound when the gear is not safe

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9
Q

Brake fade is defined as a gradual braking action what?

A

Loss due to overheating

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10
Q

What is a major disadvantage of multiple disc brakes?

A

They warp when overheated

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11
Q

What automatically compensates for brake wear on the segmented rotor brake?

A

Adjusters

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12
Q

What is the purpose of the antiskid system?

A

Prevent wheel skid by releasing pressure from the skidding wheel

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13
Q

What is the purpose of the deboosters?

A

Reduce braking pressure

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14
Q

What are aircraft wheels normally constructed of?

A

Magnesium and/or aluminum alloy

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15
Q

How are split wheels are balanced?

A

Individually by halves

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16
Q

What maintains an airtight seal between split wheel halves?

A

An O-ring seal

17
Q

What prevents tire explosion from excessive heat buildup?

A

Thermal relief plugs

18
Q

What type of bearings is used on aircraft wheels?

A

Tapered roller

19
Q

What is the bearing cone of an aircraft wheel bearing also called?

A

Inner race

20
Q

What should not be used when cleaning aircraft wheels?

A

A wire brush

21
Q

Installed bearing races should be free of scratches, dents, and what?

A

Overheating marks

22
Q

What are the main parts of an aircraft tire?

A

Tread and sidewall, cord body, and beads

23
Q

What prevents pressure buildup and separation of cord plies or tread rubber on an aircraft tire?

A

Vent holes

24
Q

For tires 24 inches or greater outside diameter, the tire must be removed when wear reaches the bottom of any tread groove for a continuous length of what?

A

12 inches

2AX5X (13 decks)

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