AIRCRAFT LANDING GEARS SYSTEMS Flashcards
Overinflated aircraft tires may cause damage to the_______.
wheel flange.
De-booster valves are used in brake systems primarily to________.
reduce the pressure and release the brakes rapidly.
An embossed letter “H” on an air valve core stem___ .
indicates high-pressure type.
The primary purpose for balancing aircraft wheel assemblies is to_________.
prevent heavy spots and reduce vibration.
What is the purpose of the torque links attached to the cylinder and piston of a
landing gear oleo strut?
Maintain correct wheel alignment.
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 _____.
preventive maintenance.
Aircraft brakes requiring a large volume of fluid to operate the brakes generally___.
use power brake control valves.
Internal leakage in a brake master cylinder unit can cause ______.
fading brakes.
or
none of the above.
The pressure source for power brakes is______.
the main hydraulic system.
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?
A shuttle valve.
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
in the aircraft manufacturer’s service manual
The purpose of a relief valve in a brake system is to_____ .
compensate for thermal expansion.
Aircraft tire pressure should be checked _______ .
at least once a week or more often.
If the extended longitudinal axis of the main landing gear wheel assemblies
intersects aft of the aircraft, the wheels can be termed as having____ .
toe out
If an aircraft shock strut (air/oil type) bottoms upon initial landing contact,
but functions correctly during taxi, the most probable cause is_____ .
low fluid
What is the function of a cam incorporated in a nose gear shock strut?
Straightens the nosewheel.
The correct inflation pressure for an aircraft tire can be obtained from
the aircraft service manual.
What should be checked when a shock strut bottoms during a landing?
fluid level
The rubber seals used in a landing gear shock strut________.
may be used only with a specific type of fluid.
When a properly operating fusible plug has allowed a tire to deflate, the tire should
be_________.
replaced.
How long should you wait after a flight before checking tire pressure?
At least 2 hours {3 hours in hot weather )
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?
Correct the discrepancy and enter in logbook.
Excessive wear in the shoulder area of an aircraft tire is an indication of_____.
underinflation.
Excessive wear in the center of the tread of an aircraft tire is an indication of_____.
over inflation.
A special bolt in a landing gear attachment requires a torque value of 440
inch-pounds. How many foot pounds are required?
36.6
Nose gear centering cams are used in many retractable landing gear
systems. The primary purpose of the centering device is to______.
center the nosewheel before it enters the wheel well.
