Landing Gear Quiz Review

Exposure to and/or storage near which of the following is considered harmful to aircraft tires? Low humidity fuel oil ozone helium electrical equipment hydraulic fluid solvents

2, 3, 4, 6, 7, 8

On an air valve core stem, what indicates high-pressure type?

An embossed letter 'H.'

Aside from an external leak in the line, what will cause parking brakes to continually bleed off pressure?

An internal leak in the master cylinder.

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

Maintain correct wheel alignment.

What action should be taken whenever maintenance is performed that will affect the landing gear system performance?

The aircraft should be placed on jacks and a retraction test should be performed

What is one effect a restricted compensator port if a master cylinder will have on a brake system?

The restriction will cause slow release of the brakes

When working with high pressure, high performance tires, why is it recommended to deflate the tires when removing wheels from the axle?

To ensure safety in case of a defective wheel or broken tie bolts

To prevent a very rapid extension of an oleo shock strut after compression resulting from landing impact,

Various types of valves or orifices are used which restrict the reverse fluid flow

A pilot reports the right brake on an aircraft is spongy when the brake pedal is depressed in a normal manner. The probable cause is

air in the brake hydraulic system

Many brake types can be adapted to operate mechanically or hydraulically. Which type is not adaptable to mechanical operation?

expander tube type

On all aircraft equipped with retractable landing gear, some means must be provided to

extend the landing gear if the normal operating mechanism fails

A sleeve, spacer, or bumper ring is incorporated in a landing gear oleo shock strut to

limit the extension stroke

Debooster valves are used in brake systems primarily to

reduce the pressure and release the brakes rapidly

The metering pins in oleo shock struts serve to

retard the flow of oil as the struts are compressed

A stripe or mark applied to a wheel rim and extending onto the sidewall of a tube type tire is a

slippage mark

A brake debooster valve is installed in systems where the high pressure of the hydraulic system (3000 PSI) is used to operate brakes

that are designed to work with lower pressure

What would be the effect if the piston return spring broke in a brake master cylinder?

the brakes would drag

When an air/oil type of landing gear shock strut is used, the initial shock of landing is cushioned by

the fluid being forced through a metered opening

Why do most aircraft tire manufacturers recommend that the tubes in newly installed tires be first inflated, fully deflated, and then reinflated to the correct pressure?

to allow the tube to position itself correctly inside the tire

The braking action of a Cleveland disk brake is accomplished by compressing a rotating brake disk between two opposite brake linings. How is equal pressure on both sides of the rotating disk assured?

By allowing the caliper to float to automatically equalize as pressure is applied to the rotor.

The primary purpose for balancing aircraft wheel assemblies is to

Prevent heavy spots and reduce vibration

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

If it is determined that spongy brake action is not caused by air in the brake system, what is the next most likely cause?

deteriorated flexible hoses

when bleeding aircraft brakes one of the indications that the air has been purged from the system is

firm brake pedals

Power boost brake systems are used on aircraft that have

high landing speeds

An automatic damping action occurs at the steering damper if for any reason the flow of high-pressure fluid is removed from the

inlet of the steering damper

The repair for an out-of-tolerance toe-in condition of main landing gear wheels determined not to be the result of bent or twisted components consists of

inserting, removing, or changing the location of washers or spacers at the center pivotal point of the scissor torque links

Aircraft brakes requiring a large volume of fluid to operate the brakes generally

use power brake control valves

Overinflated aircraft tires may cause damage to the

wheel flange

in brake service work the term bleeding brakes is the process of

withdrawing fluid from the system for the purpose of removing air that has entered the system