Exam 45: Tires and Wheels

Typically, a self-supporting tire can be driven for 50 miles (80 km)at speeds up to ____________________ mph after it has lost air pressure.

Running a ____________________ tool over a cold patch helps to bind it to the tire.

____________________ tires on a regular basis can preserve balanced handling and traction and even out tire wear.

Wear indicator bars appear as 1.2-inch wide bands when the tire tread depth wears to ____________________ inch.

Tightening lug nuts beyond specifications may distort the disc brake rotor.

Technician A says nylon cord tires generally give a smoother ride than rayon, but do not have the inherent strength needed to cope with long high-speed runs. Technician B says polyester and fiberglass tires offer many of the best qualities of rayon and nylon, but without the disadvantages. Who is correct?

The tire pressure warning light on a TPM system will illuminate when the tire pressure drops 5 percent below its minimum pressure.

What is hydroplaning ?

What type of bead loosener should be used when dismounting run-flat tires?

Indirect tire pressure monitoring systems use information from _____ to detect low tire pressure.

Studded tires have been outlawed in many states because they damage the road and can be a safety hazard when driven on dry surfaces.

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

Technician A says higher aspect ratios provide a softer ride because they deflect more over irregular surfaces and under heavy loads. Technician B says shorter sidewall heights demand stiffer sidewalls. Who is correct?

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

Radial tires do not require special patches for puncture repair.

A ____________________ tire has the same handling qualities in either direction of rotation.

When installing new rims and tires, what is plus sizing?

Technician A says the front-wheel bearings on a typical FWD car are pressed in and out of the steering knuckle. Technician B says the rear-wheel bearings on a typical FWD car are often serviced in the same way as the front-wheel bearings for an RWD car. Who is correct?

Which of the following statements is NOT correct?

What is dynamic balance?