AIRCRAFT LANDING GEARS SYSTEMS

Question 1

Overinflated aircraft tires may cause damage to the_______.

Answer 1

wheel flange.

Question 2

De-booster valves are used in brake systems primarily to________.

Answer 2

reduce the pressure and release the brakes rapidly.

Question 3

An embossed letter “H” on an air valve core stem___ .

Answer 3

indicates high-pressure type.

Question 4

The primary purpose for balancing aircraft wheel assemblies is to_________.

Answer 4

prevent heavy spots and reduce vibration.

Question 5

What is the purpose of the torque links attached to the cylinder and piston of a
landing gear oleo strut?

Answer 5

Maintain correct wheel alignment.

Question 6

The removal, installation, and repair of landing gear tires by the holder of a private
pilot certificate on an aircraft owned or operated is considered to be _____.

Answer 6

preventive maintenance.

Question 7

Aircraft brakes requiring a large volume of fluid to operate the brakes generally___.

Answer 7

use power brake control valves.

Question 8

Internal leakage in a brake master cylinder unit can cause ______.

Answer 8

fading brakes.
or
none of the above.

Question 9

The pressure source for power brakes is______.

Answer 9

the main hydraulic system.

Question 10

What type of valve is used in the brake actuating line to isolate the emergency
brake system from the normal power brake control valve system?

Answer 10

A shuttle valve.

Question 11

Instructions concerning the type of fluid and amount of air pressure to be
put in a shock strut are found____.
a. in the aircraft manufacturer’s se

Answer 11

in the aircraft manufacturer’s service manual

Question 12

The purpose of a relief valve in a brake system is to_____ .

Answer 12

compensate for thermal expansion.

Question 13

Aircraft tire pressure should be checked _______ .

Answer 13

at least once a week or more often.

Question 14

If the extended longitudinal axis of the main landing gear wheel assemblies
intersects aft of the aircraft, the wheels can be termed as having____ .

Answer 14

toe out

Question 15

If an aircraft shock strut (air/oil type) bottoms upon initial landing contact,
but functions correctly during taxi, the most probable cause is_____ .

Answer 15

low fluid

Question 16

What is the function of a cam incorporated in a nose gear shock strut?

Answer 16

Straightens the nosewheel.

Question 17

The correct inflation pressure for an aircraft tire can be obtained from

Answer 17

the aircraft service manual.

Question 18

What should be checked when a shock strut bottoms during a landing?

Answer 18

fluid level

Question 19

The rubber seals used in a landing gear shock strut________.

Answer 19

may be used only with a specific type of fluid.

Question 20

When a properly operating fusible plug has allowed a tire to deflate, the tire should
be_________.

Answer 20

replaced.

Question 21

How long should you wait after a flight before checking tire pressure?

Answer 21

At least 2 hours {3 hours in hot weather )

Question 22

What action, if any, should be taken when there is a difference of more than 5
pounds of air pressure in tires mounted as duals?

Answer 22

Correct the discrepancy and enter in logbook.

Question 23

Excessive wear in the shoulder area of an aircraft tire is an indication of_____.

Answer 23

underinflation.

Question 24

Excessive wear in the center of the tread of an aircraft tire is an indication of_____.

Answer 24

over inflation.

Question 25

A special bolt in a landing gear attachment requires a torque value of 440
inch-pounds. How many foot pounds are required?

Answer 25

36.6

Question 26

Nose gear centering cams are used in many retractable landing gear
systems. The primary purpose of the centering device is to______.

Answer 26

center the nosewheel before it enters the wheel well.