Landing Gear Practice Quiz #2

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What is the purpose of the torque links attached to the cylinder and piston of a landing gear oleo strut? A. Hold the strut in place B. Limit compression stroke C. Maintain correct wheel alignment

Maintain correct wheel alignment

What device in a hydraulic system with a constant-delivery pump allows circulation of the fluid when no demands are on the system? A. Shuttle valve B. Pressure regulator C. Pressure relief valve

Pressure regulator

An O-ring intended for use in a hydraulic system using MIL-H-5606 (mineral base) fluid will be marked with A. a blue stripe or dot B. one or more white dots C. a white and yellow stripe

a blue stripe or dot

A fully-charged hydraulic accumulator provides A. air pressure to various hydraulic components B. a source for additional hydraulic power when heavy demands are placed on the system C. positive fluid flow to the pump inlet

a source of additional hydraulic power when heavy demands are placed on the system

The purpose of a sequence valve in a hydraulic retractable landing gear system is to A. provide a means of disconnecting the normal source of hydraulic power and connecting the emergency source of power B. ensure operation of the landing gear and gear doors in the proper order C. prevent heavy landing gear from falling too rapidly upon extension

ensure operation of the landing gear and gear doors in the proper order

On all aircraft equipped with retractable landing gear, some means must be provided to A. extended the landing gear if the normal operating mechanism fails B. retract and extend the landing gear if the normal operating mechanism fails C. prevent the throttle from being reduced below a safe power setting while the landing gear is retracted

extend the landing gear if the normal operating mechanism fails

Instructions concerning the type of fluid and amount of air pressure to be put in a shock strut are found A. in the aircraft operations limitations B. on the airplane data plate C. in the aircraft manufacturer's service manual

in the aircraft manufacturer's service manual

An automatic damping action occurs at the steering damper if for any reason the flow of high pressure fluid is removed from the A. outlet of the steering damper B. inlet of the steering damper C. replenishing check valve

inlet of the steering damper

Excessive wear in the center of the tread of an aircraft tire is an indication of A. incorrect chamber B. overinflation C. excessive toe-out

overinflation

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 A. preventative maintenance B. a minor repair C. a violation of the Federal Aviation Regulations

preventative maintenance

If the extended longitudinal axis of the main landing gear wheel assemblies intersects aft of the aircraft, the wheels can be termed as having A. negative camber B. toe-in C. toe-out

toe-in

Excessive wear in the shoulder area of an aircraft tire is an indication of A. overinflation B. excessive toe-in C. underinflation

underinflation

To prevent a very rapid extension of an ole shock strut after initial compression resulting from landing impact, A. the air is forced through a restricted orifice in the reverse direction B. the metering pin gradually reduces the size of the orifice as the shock strut extends C. various types of valves or orifices are used which restrict the reverse fluid flow

various types of valves or orifice are used which restrict the reverse fluid flow

Exposure to and/or storage near which of the following is considered harmful to aircraft tires? 1. Low humidity 2. Fuel 3. Oil 4. Ozone 5. Helium 6. Electrical equipmet 7. Hydraulic fluid 8. Solvents

2, 3, 4, 6, 7, 8

Nose gear centering cams are used in many retractable landing gear systems. The primary purpose of the centering device is to A. engage the nosewheel steering. B. align the nosewheel prior to touchdown C. center the nosewheel before it enters the wheel well

center the nosewheel before it enters the wheel well

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 A. placing shims or spacers behind the location of washers or spacers at the center pivotal point of the scissor torque links B. inserting, removing, or changing the location of washers or spacers at the center pivotal point of the scissor torque links. C. shimming the axle in the oleo trunnion

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

A hydraulic hose identified as MIL-H-8794 will have a yellow stripe running the length of the hose. This stripe A. is used to ensure that the hose is installed without excessive twisting B. identifies that the hose is constructed of synthetic rubber and maybe suitable for a wide range of applications C. identifies that the hose is for hydraulic fluid only

is used to ensure that the hose is installed without excessive twisting

After performing maintenance on an aircraft's landing gear system which may have affected the system's operation, it is usually necessary to A. re-inspect the area after the first flight B. make an operational check with the aircraft on jacks C. conduct a flight test

make an operational check with the aircraft on jacks

A landing gear position and warning system will provide a warning in the cockpit when the throttle is A. advanced and gear is down and locked. B. retarded and gear is not down and locked C. retarded and gear is down and locked

retarded and gear is not down and locked

An electric motor used to raise and lower a landing gear would most likely be a A. shunt field series-wound motor. B. split field shunt-wound motor. C. split field series-wound motor

split field series-wound motor


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