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LandingGear Systems
Airframe Written
| Question | Answer |
|---|---|
| Exposure to and/or storage near which of the following is considered harmful to aircraft tires? | Fuel, oil, ozone, electrical equipment, hydraulic fluid, and solvents. |
| A sleeve, spacer, or bumper ring is incorporated in a landing gear oleo shock strut to | limit the extension stroke |
| Chines are used on some aircraft nose wheel tires to help | deflect water away from the fuselage |
| A flexible hydraulic hose identified as MIL-H-8788 will have a stripe running the length of the hose. This stripe is | installed without excessive twisting |
| What device in a hydraulic system with a constant-delivery pump allows circulation of the fluid when no demands are on the system? | pressure regulator |
| Aircraft brakes requiring a large volume of fluid to operate the brakes generally | use power brake control valves |
| 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 |
| A close inspection of a fusible plug reveals the core has experienced some deformation. What is the appropriate maintenance procedure? | replace all the fusible plugs |
| On an air valve core stem, what indicates high-pressure type? | An embossed letter 'H' |
| The fusible plugs installed in some aircraft wheels will | melt at a specified elevated temperature |
| A hydraulic system referred to as a 'power pack' system will | have all hydraulic power components located in one unit |
| Power boost brake systems are used on aircraft that have | high landing speeds |
| The primary purpose for balancing aircraft wheel assemblies is to | prevent heavy spots and reduce vibration |
| What is the purpose of a compensating port or valve in a brake master cylinder of an independent brake system? | Permits the fluid to flow toward or away from the reservoir as temperature changes. |
| When servicing an empty shock strut with fluid, the strut should be completely compressed and extended several times to ensure | proper packing ring seating and removal of air bubbles |
| What is the function of a cam incorporated in a nose gear shock strut? | straightens the nosewheel |
| 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 |
| 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 |
| A high-speed aircraft tire with a sound cord body and bead may be recapped | an indefinite number of times |
| The correct inflation pressure for an aircraft tire can be obtained from | the aircraft service manual |
| 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 |
| An electric motor used to raise and lower a landing gear would most likely be a | split field series-wound motor |
| How long should you wait after a flight before checking tire pressure? | at least 2 hours (3 hours in hot weather) |
| If an airplane equipped with master cylinders and single-disk brakes has excessive brake pedal travel, but the brakes are hard and effective, the probable cause is | worn brake linings |
| 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 |
| 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 |
Created by:
mattpayne001