Deck 62: Tire and Wheel Service

Question 1

Switching tires between positions on the vehicle is called ____________________.

Answer 1

tire rotation

Question 2

Tire ____________________ can result in cupped tire wear, traction loss, and premature wear to steering and suspension parts.

Answer 2

imbalance

Question 3

All of the following statements are true EXCEPT:

A)puncture repairs are done using a rubber tire plug and a patch.
B)repairs to the bead area can never be safely done.
C)a serious accident can result from a repair to a tire that has been run flat.
D)a tire can be repaired when the puncture is between the shoulder of the tread area, called the crown, if the diameter of the puncture is less than 1/2".

Answer 3

D

Question 4

Which of the following statements is LEAST-Likely true?

A)Do not attempt to unseat the beads of an inflated tire.
B)Do not strike the tire or rim with a hammer.
C)A hammer is sometimes necessary when removing a passenger car tire.
D)When removing a tire from a rim, never let go of the tire iron.It can flip up and hit you.

Question 5

While having a discussion, Technician A says that static imbalance subjects the wheel to vertical impacts that become worse with higher speed. Technician B says that dynamic imbalance subjects the wheel to vertical impacts that become worse with higher speed. Who is correct?

A)A only
B)B only
C)Both A and B
D)Neither A nor B

Question 6

According to the Goodyear Tire and Rubber Company, a 4 psi decrease in pressure below the recommended amount can result in a 10% loss of tread life.

Question 7

Some older drums and disc brake rotors are fastened tight to the hub. The studs are ____________________, which means that they are deformed to keep them tight.

Question 8

Tires that require less than 40 psi to inflate must always be installed in an inflation cage.

Question 9

When a tire tread has scalloped or cupped wear, this is usually because the tire has been hopping up and down on the road.

Question 10

When there is a larger dent in the wheel, it must be checked for radial and lateral ____________________ before it can be used.

Question 11

When a tire is lopsided, with more of its weight on the outside or the inside of its tread, this is known as ____________________.

Question 12

In winter climates, many shops inflate tires to 3-4 psi below the tire placard recommendation to compensate for the cold weather outside of the shop.

Question 13

The MOST-Likely result of age and years of exposure to the sun and ozone is:

A)change in outside temperature
B)sidewall cracks
C)scalloped wear
D)toe-out-on-turns

Question 14

The rim clamp changer was originally developed in Europe. It is has become the predominant tire changer in North America as well.

Question 15

When a tire is not mounted correctly or the wheel is out-of-round, it will have ____.

A)tire plug
B)runout
C)axial movement
D)radial movement

Question 16

All of the following statements are true EXCEPT:

A)air should be let out of a tire when it is hot.
B)each change in outside temperature of 10°F will result in about 1 psi change in tire pressure.
C)a hot tire with pressure that is lower than the recommended cold pressure is seriously underinflated.
D)cold tire pressure should never be higher than the maximum pressure molded into the tire sidewall.

Question 17

Which of the following is the LEAST-Likely cause of tire wear?

A)Hard cornering
B)Braking
C)Acceleration
D)Tire rotation

Question 18

During ____ when the tire returns to the road, a small amount of its tire rubber is scrubbed off.

A)axial movement
B)radial movement
C)wheel tramp
D)tire rotation

Question 19

While having a discussion, Technician A says that rear tires are the most prone to exhibit symptoms from imbalance. Technician B says that front tires are the most prone to exhibit symptoms from imbalance. Who is correct?

A)A only
B)B only
C)Both A and B
D)Neither A nor B

Question 20

Tire problems such as leaks and vibrations can MOST-Likely be traced to:

A)improperly mounted tires
B)axial movement
C)tire rotation
D)radial movement

Question 21

What are the results of high tire pressure?

Question 22

What are the advantages of rubber lube?

Question 23

How would you check a tire for leaks?

Question 24

What are the results of low tire pressure?

Question 25

How do you avoid damaging a TPM sensor during tire removal and installation ?