Tire Fundamentals

True or False. More plies in a tire improve the ride quality of the tire.

• true

• false

True or False. A tire valve is a specially designed opening that allows a tire to be inflated and then automatically closes to prevent air from escaping.

• true

• false

True or False. A tire with an A temperature rating has the best temperature resistance.

• true

• false

True or False. Over inflation of a tire causes excessive wear on the outer edges of the tread.

• true

• false

True or False. When checking air pressure, always refer to the tire sidewall, because this is the most accurate air pressure reading.

• true

• false

True or False. When a radial tire bulges on the sidewall, this means that the tire is repairable.

• true

• false

Technician A says that paying attention to tires and wheels can also assist in identifying problems in the steering system. Technician B says that paying attention to tires and wheels can also assist in identifying problems in the suspension system. Who is correct?

• A) Tech A

• B) Tech B

• C) Both Techs A and B

• D) Neither Tech A nor B

Technician A says that aluminum wheels are also called alloy wheels and mag wheels are also called magnesium wheels. Technician B says that alloy wheels are light and dissipate heat more effectively. Who is correct?

• A) Tech A

• B) Tech B

• C) Both Techs A and B

• D) Neither Tech A nor B

The _________ seat is the edge of the rim that creates a seal between the tire bead and the wheel.

• A) rim

• B) bead

• C) wheel

• D) disc

Technician A says that all lug nuts must be torqued. Technician B says that all lug nuts must be properly sequenced. Who is correct?

• A) Tech A

• B) Tech B

• C) Both Techs A and B

• D) Neither Tech A nor B