Deck 5: Wheels, Tires, and Wheel Bearings

Question 1

The section height divided by the section width is the _____ of the tire.

A)aspect ratio
B)load rating
C)UTQG rating
D)offset

Answer 1

A

Question 2

An asymmetrical tire has a tread design that is different from one side to the other.

Answer 2

True

Question 3

A self-sealing tire contains an extra lining along the undertread, which contains a sealant that can immediately seal punctures in the tire, up to about 7 mm.

Answer 3

False

Question 4

Tire tread patterns can be:

A)symmetrical
B)asymmetrical
C)directional
D)all of the answers are correct

Question 5

The first ______ numbers of the tire size are the width of the tire, sidewall to sidewall, in millimeters.

A)two
B)three
C)four
D)five

Question 6

Underinflation or lack of rotation causes excessive wear on the __________ of the tread.

Question 7

____________________ tires means removing the wheels and tires from their current location and moving them to another corner of the vehicle.

Question 8

Technician A says that the air inside the tire acts against the inner surface of the tire to support the weight of the vehicle.Technician B says that radial tires, having belts around the circumference of the tire, are the most common type of tire used.Who is correct?

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

Question 9

Which term describes the position of the mounting surface compared to the center of wheel depth?

A)centerbore
B)wheel balance
C)wheel offset
D)contact patch

Question 10

Radial tires are constructed of layers of belts or ____________________ that are wrapped around the tire in circular bands.

Question 11

____________________ tires rely on air pressure.

Question 12

The last four numbers in the DOT number provide the production date of the tire by week number and ____________________.

Question 13

In general, a higher treadwear number means the tire will wear better and last longer than a tire with a lower treadwear number.

Question 14

Which of the following statements is true with regard to common air loss problems?

A)A common cause of leaks around the bead area is rust or corrosion buildup around the rim bead.
B)Valve stems are manufactured in such a way as to never deteriorate or leak.
C)A weakened sidewall can be repaired and does not need to be replaced.
D)Dry rot can be repaired.

Question 15

Which of the following tire types has a support ring attached to the wheel that the tire rests on if pressure is lost?

A)Self-supporting run-flat
B)Auxiliary supported run-flat
C)Self-sealing
D)none of the answers are correct

Question 16

The tire size markings for most passenger car tires in the United States use a combination of letters and numbers.

Question 17

Which of the following uses the vehicle's antilock brake system (ABS) to monitor tire pressure?

A)Indirect TPMS
B)Direct TPMS
C)Both A and B
D)Neither A nor B

Question 18

The tire pressure monitoring system must be able to alert the driver within ten minutes when pressure is five percent or more below the cold tire inflation pressure.

Question 19

Technician A says directional tires will have markings on the sidewall to indicate how the tire must be mounted to the vehicle.Technician B says tire tread patterns may be symmetric or asymmetric.Who is correct?

A)A only
B)B only
C)both A and B
D)neither A nor B

Question 20

Which of the following exists if the wheel and/or tire are out-of-round?

A)radial runout
B)lateral runout
C)eccentric runout
D)none of these answers is correct