Inspect And Service A Landing Gear Tire

Question 1

What is meant by the ply rating of a tire?

Answer 1

The number of piles of cotton fabric needed to produce the same strength as the actual piles in the tire

Question 2

What is the function of the bead in a tire?

Answer 2

The bead is made of high-strength carbon steel wire bundles and used to provide the strength and stiffness where the tire mounts on the wheel

Question 3

Is it proper to use a tube in a tubeless tire?

Answer 3

No, the inner liner of a tubeless tire is rough and it can chafe the tube in normal operation

Question 4

What is the function of the groves cut into the tread of a tire?

Answer 4

The groves produce the optimum traction with the runway surface

Question 5

What is the most widely used tread pattern for modern airplane tires?

Answer 5

A series of straight grooves around the periphery of the tire

Question 6

How should new aircraft tires be stored?

Answer 6

In a dark, cool location away from electrical motors or battery chargers

Question 7

Is it best to store new tires vertically or horizontally?

Answer 7

Vertically

Question 8

What is the most important maintenance procedure for aircraft tiires?

Answer 8

Keep them properly inflated

Question 9

What should be used to remove oil from a tire?

Answer 9

Mild soap and water

Question 10

Where do you find proper inflation pressure for an aircraft tire?

Answer 10

In the aircraft service manual

Question 11

Why should aircraft tire pressure be rechecked after it has been installed for about 24 hours with no load applied?

Answer 11

The tire will stretch and the pressure will drop. The proper pressure must be restored

Question 12

What causes an aircraft tire to wear more on the shoulders than in the center of the tread?

Answer 12

Operating the tire in an underinflated condition

Question 13

What causes an aircraft tire to wear more in the center of the tread than on the shoulders?

Answer 13

Operating the tire in an overinflated condition

Question 14

What should be done to an aircraft tire if the sidewalls are weather-checked enough to expose the cord?

Answer 14

The tire should be scrapped

Question 15

Why is it important that some aircraft with retractable landing gear be given a retraction test after new or retreated tires are installed?

Answer 15

It is possible in some aircraft that a new or retreated tire can be different enough in size from the previous tire that it could lock up in the wheel well when the landing gear is retracted

Question 16

What safety procedure should be followed when inflating a tire on a large aircraft wheel for the first time after it has been replaced?

Answer 16

Put the wheel in a safety cage when it is being inflated because of the danger if the trough bolts fail

Question 17

What should be done with a tire that was on a wheel which was overheated enough to melt the fusible plug in the wheel?

Answer 17

The tire should be srapped

Question 18

Where can you find the correct inflation pressure for the tires on an aircraft?

Answer 18

In the aircraft service manual