S&S Mid-Term

Today’s newer, lightweight vehicles are less sensitive than ever to minor tire or wheel issues.

• True

• False

The height of the center of gravity is determined by the ______ of the center of the mass above the road surface.

• Height

• Depth

• Width

• Length

Tires on many vehicles are inflated to about ________ pounds per square inch (psi).

• 16

• 24

• 32

• 40

Which of the following speed rating designations is rated for speeds above 149 mph (240 kph)?

• Z

• V

• Y

• W

In ________ offset wheels, the hub mounting surface is toward the brake side or back of the wheel's centerline.

• Positive

• Negative

• Zero

• Initial

Technician A says that TPMS sensors that are fastened to the inner end of the valve stem are called direct sensors. Technician B says an indirect TPMS system does not use pressure sensors. Who is correct?

• Both A&B

• Neither A nor B

• Tech A

• Tech B

All of the following problems or conditions may be caused by improper wheel balance, EXCEPT:

• premature wear of suspension components

• premature wear of brake pads.

• uneven tire wear.

• uncomfortable vibration.

Tires and wheels must be balanced statically and dynamically.

• True

• False

________ is most commonly a result of the tires set with excessive toe-in or toe-out.

• Feathering

• Groove

• Friction

• Balding

Wheel and tire assembly runout is a condition defined by all of the following, EXCEPT:

• felt as a vibration, worsening with engine speed.

• side-to-side variation.

• felt as a vibration, worsening with vehicle speed.

• up-and-down variation.