Question 1

Wheel back spacing is also called ________.

Accepted Answer

A)  Positive offset
B)  Offset
C)  Negative offset
D)  Rear spacing D

Question 2

Which of the following is not part of the UTQG system?

Accepted Answer

A)  Speed rating
B)  Traction
C)  Treadwear
D)  Temperature A

Question 3

During tire construction, after the tire has been heated to 300 degrees F (150 degrees C) for 30 minutes, it is called a ________.

Accepted Answer

A)  Cured tire
B)  Green tire
C)  Both A and B
D)  Neither A nor B A

Question 4

The part of the tire that is just under the tread of a radial tire is called the ________.

Accepted Answer

A)  Body (carcass)  ply
B)  Belt
C)  Bead
D)  Inner liner

Question 5

Front-wheel drive vehicles usually use what type of wheel?

Accepted Answer

A)  Negative offset
B)  Positive offset

Question 6

If the center section of a wheel is outward from the wheel center line, it has ________.

Accepted Answer

A)  Positive offset
B)  Negative offset

Question 7

Which of the following may be part of a radial tire belt?

Accepted Answer

A)  Rayon
B)  Nylon
C)  Steel mesh
D)  All of these are correct

Question 8

Technician A says to always purchase replacement tires with the same or greater speed rating as when the vehicle was new. Technician B says to install the same type of tire (example: m+s) on all wheels. Which technician is correct?

Accepted Answer

A)  Technician A only
B)  Technician B only
C)  Both technicians A and B
D)  Neither technician A nor B

Question 9

Technician A says that all tires sold for passenger vehicle use must be approved by the DOT. Technician B says that the DOT code will indicate the build date of the tire. Which technician is correct?

Accepted Answer

A)  Technician A only
B)  Technician B only
C)  Both technicians A and B
D)  Neither technician A nor B

Question 10

Most lug nuts are ________ so that the wheel stud will center the wheel onto the hub.

Accepted Answer

A)  Oval
B)  Flat
C)  Chrome
D)  Tapered

Question 11

Technician A says that backspacing is the same as offset. Technician B says that backspacing is the distance between the back rim edge and the wheel center section. Which technician is correct?

Accepted Answer

A)  Technician A only
B)  Technician B only
C)  Both technicians A and B
D)  Neither technician A nor B

Question 12

Radial tires can cause a vehicle to pull to one side while driving. This is called "radial tire pull" and is often due to ________.

Accepted Answer

A)  Tread design
B)  Bead design
C)  Tire conicity
D)  The angle of the body (carcass)  plies

Question 13

Technician A says that grooves in the tire tread are necessary for excellent dry traction. Technician B says that grooves in the tire tread are necessary for wet traction, to prevent hydroplaning. Which technician is correct?

Accepted Answer

A)  Technician A only
B)  Technician B only
C)  Both technicians A and B
D)  Neither technician A nor B

Question 14

Some vehicles use lug bolts instead of lug nuts.

Accepted Answer

A) True 
 B)False

Question 15

The aspect ratio of a tire means ________.

Accepted Answer

A)  The ratio of height to width
B)  The ratio of width to height
C)  The ratio of rolling resistance
D)  Its width to diameter of a wheel ratio

Question 16

When purchasing replacement tires, do not change tire width from the stock size by more than ________.

Accepted Answer

A)  15 mm
B)  20 mm
C)  10 mm
D)  25 mm

Question 17

Which part of the wheel shown is responsible for holding the tire beads in place?

Accepted Answer

A)  C
B)  A
C)  B
D)  None of these

Question 18

Which of these is a common metric lug nut thread size?

Accepted Answer

A)  M12 × 20
B)  M12 × 1.5
C)  1/2 × 20
D)  M14 × 18RH

Question 19

All radial tires are belted.

Accepted Answer

A) True 
 B)False

Question 20

Technician A says that a PAX run-flat tire uses a special wheel. Technician B says that a standard tire can be used to replace a PAX run-flat tire. Which technician is correct?

Accepted Answer

A)  Technician A only
B)  Technician B only
C)  Both technicians A and B
D)  Neither technician A nor B

Exam 109: Tires and Wheels

Wheel back spacing is also called ________.

Which of the following is not part of the UTQG system?

During tire construction, after the tire has been heated to 300 degrees F (150 degrees C) for 30 minutes, it is called a ________.

The part of the tire that is just under the tread of a radial tire is called the ________.

Front-wheel drive vehicles usually use what type of wheel?

If the center section of a wheel is outward from the wheel center line, it has ________.

Which of the following may be part of a radial tire belt?

Technician A says to always purchase replacement tires with the same or greater speed rating as when the vehicle was new. Technician B says to install the same type of tire (example: m+s) on all wheels. Which technician is correct?

Technician A says that all tires sold for passenger vehicle use must be approved by the DOT. Technician B says that the DOT code will indicate the build date of the tire. Which technician is correct?

Most lug nuts are ________ so that the wheel stud will center the wheel onto the hub.

Technician A says that backspacing is the same as offset. Technician B says that backspacing is the distance between the back rim edge and the wheel center section. Which technician is correct?

Radial tires can cause a vehicle to pull to one side while driving. This is called "radial tire pull" and is often due to ________.

Technician A says that grooves in the tire tread are necessary for excellent dry traction. Technician B says that grooves in the tire tread are necessary for wet traction, to prevent hydroplaning. Which technician is correct?

Some vehicles use lug bolts instead of lug nuts.

The aspect ratio of a tire means ________.

When purchasing replacement tires, do not change tire width from the stock size by more than ________.

Which part of the wheel shown is responsible for holding the tire beads in place?

Which of these is a common metric lug nut thread size?

All radial tires are belted.

Technician A says that a PAX run-flat tire uses a special wheel. Technician B says that a standard tire can be used to replace a PAX run-flat tire. Which technician is correct?