Landing Gear Systems Quiz #4

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 equipment 7. Hydraulic fluid 8. Solvents A. 2,3,4,5,6,7,8 B. 1,2,3,5,7,8 C. 2,3,4,6,7,8

2,3,4,6,7,8

What is the purpose of a chine on an aircraft tire?

Diverts runaway water to the side and away from the intake of engines

Aircraft tires are designed to flex less than automobile tires. True or False?

False

Lubtork is the preferred assembly lubricant of magnesium wheels. True or False?

False

The greatest amount of heat will be generated by an over inflated tire. True or False?

False

The most popular tread pattern found on aircraft today is the all weather tread. True or False?

False

The ply rating of a tire indicates the number of fabric piles in the tire. True or False?

False

How are tubeless tires identified?

The word "Tubeless" is printed on the sidewall of the tire

Ozone is harmful to tires True of False?

True

Tube tire vent holes are marked with an --- or --- colored dot.

aluminum, white

A high speed aircraft tire with a sound cord body and bead my be recapped A. a maximum of three times B. only by the tire manufacturer C. an indefinite number of times

an indefinite number of times

Why do tire and wheel manufacturers often recommend that the tires on split rim wheels be deflated before removing the wheel from the axle? A. as a safety precaution in case the bolts that hold the wheel halves together have been damaged or weakened B. to remove the static load imposed upon the wheel bearings by the inflated tire C. to relieve the strain on the wheel retaining nut and axle threads.

as a safety precaution in case the bolts that hold the wheel halves together have been damaged or weakened

How long should you wait after a flight before checking tire pressure? A. at least 3 hours (4 hours in hot weather) B. at least 2 hours (3 hours in hot weather) C. at least 4 hours (5 hours in hot weather)

at least 2 hours (3 hours in hot weather

Aircraft tire pressure should be checked A. as soon as possible after each flight B. at least once a week or more often C. using only a push on stick-type gauge having 1-pound increments

at least once a week or more often

The red dot on an aircraft tire generally indicates the --- weight point of the tire.

light

Excessive wear in the center of a tread of an aircraft tire is an indication of A. incorrect camber B. excessive toe out C. over inflation

over inflation

The primary purpose for balancing aircraft wheel assemblies is to A. prevent heavy spots and reduce vibration B. distribute the aircraft weight properly C. reduce excessive wear and turbulence

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 or operated is considered to be A. preventative maintenance B. violation of the Federal Aviation Regulations C. a minor repair

preventative maintenance

Tire slippage marks are one inch wide and two inches long and painted ---.

red (and sometimes white)

The best safeguards against heat buildup in aircraft tires are A. proper tire inflation, minimum braking, and ground rolls into the wind B. short ground rolls, slow taxi speeds, minimum braking, and proper tire inflation C. minimum braking, proper tire inflation, and long ground rolls

short ground rolls, slow taxi speeds, minimum braking, and proper tire inflation

A stripe or mark applied to a wheel rim and extending onto the sidewall of a tube tire is a A. wheel-to-tire balance mark B. slippage mark C. wheel weight reference mark

slippage mark

The correct inflation pressure for an aircraft tire can be obtained from A. tire manufacturer's specifications B. the aircraft service manual C. the information stamped on the aircraft wheel

the aircraft service manual

What action, if any, should be taken when there is a difference of more than 5 pounds of air pressure in tires mounted in duals? A. replace both tires B. replace the tire with the lowest pressure C. correct the discrepancy and enter in logbook

correct the discrepancy and enter in logbook

Vent holes in tubeless tires are marked with a bright --- dot.

green

Chines are used on some aircraft nose wheel tire to A. help deflect water away from the fuselage B. help reduce the possibility of hydroplaning C. help nose gear extension at higher air speeds

help deflect water away from the fuselage

An embossed letter "H" on an air valve core stem A. indicates hydraulic type B. is the manufacturer's trademark C. indicates high pressure type

indicates high pressure type

Why do most aircraft tire manufactures recommend that the tubes in newly installed tires be first inflated, fully deflated, and then re-inflated to the correct pressure? A. to allow the tube to position itself correctly inside the tire B. to eliminate all the air between the tube and the inside of the tire C. to test the entire assembly for leaks

to allow the tube to position itself correctly inside the tire

Excessive wear in the shoulder area of an aircraft tire is an indication of A. excessive toe in B. over inflation C. under inflation

under inflation

Tires should be stored --- whenever possible.

vertically

Over inflated aircraft tires may cause damage to the A. wheel hub B. wheel flange C. brake linings

wheel flange