Aircraft Landing Gear System Flashcards

1
Q

What is the purpose of main landing gear torque links ?

A

They keep the landing gear pointed in a straight direction

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2
Q

What is used to inflate landing gear shock strut ?

A

Dry air or Nitrogen

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3
Q

What power source are normally used to retract landing gear systems ?

A

Hydraulic or Electrical Motors

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4
Q

What prevents a nose landing gear from being retracted with the nose wheel out of the center position ?

A

Nosewheel centering cams and external track

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5
Q

When should a landing gear retraction check be accomplished ?

A

Annual Inspection, Replacements, Hard Landings, other inspections

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6
Q

What methods are used for transmitting cockpit control movements to a steering control unit in large aircraft ?

A

Mechanical, Electrical, Hydraulic

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7
Q

What type of nose wheel steering is provided on small aircraft ?

A

Mechanical linkage hooked to the rudder pedals

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8
Q

What unit prevents nose wheel vibration ?

A

Shimmy damper

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9
Q

What prevents a split wheel from leaking air through the inner and outer mating surfaces, or the wheel assembly ?

A

O-ring between the halves

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10
Q

What is the purpose of a wheel fusible plug ?

A

To relieve air pressure to prevent tire blow out

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11
Q

What are some types of brake actuating systems ?

A

Independent master cylinder, boosted brakes, power control brakes

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12
Q

What is the purpose of a power brake debooster ?

A

Reduced hydraulic system high pressure to a lower pressure value for more satisfactory brake action

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13
Q

What is the purpose of an anti skid ?

A

Prevents wheels from skid or lock during brake attempts

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14
Q

What are some methods of bleeding brakes ?

A

Gravity and Pressure

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15
Q

What must be accomplished before inspecting a wheel brake system for hydraulic leaks ?

A

Pressurize the system

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16
Q

What is the most necessary maintenance function for a safe and long aircraft tire service ?

A

Proper infation

17
Q

What are the effects of under inflation on tires ?

A

Uneven wear near the edge of tread and creep or slip when brakes are applied

18
Q

What conditions should a mechanic look for during a regular inspection of a exposed piston section of a landing gear ?

A

Cleaniness, Damages and proper extensions

19
Q

What safety precaution must be taken when removing a wheel from an axle or when disassembling a wheel ?

A

Verify if the tire is completely deflated before removing a wheel from an axle or before wheel disassembly