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?