Chapter 14 tires

What does the P stand for in P205/55R16 89H?

• pressure

• psi

• pounds

• passenger

Which of the following is the best UTQG rating for traction?

• AA

• A

• B

• C

At what distance are wear indicator bars set?

• 2/32" (1.6 mm); simplified as 1/16”

• 16/32" (12.7 mm); simplified as ½”

• 32/32" (25.4 mm); simplified as 1”

• 48/32" (38.1 mm); simplified as 1.5”

What type of pattern should be used when tightening lug nuts?

• circular

• star

• square

• rectangle

What of the following would be an example of a Euro-metric tire size?

• 225/50R16 92S

• P225/50R16 91S

• LT245/75R16

• 31x10.50R15

What type of tire is designed so the independent tread blocks and grooves have the same tread pattern across the whole tire?

• symmetrical

• asymmetrical

• P-metric

• Euro-metric

Which of the following statements is true?

• The shelf life of tires is approximately 20 years.

• Tires should be changed every year no matter what the mileage is on them.

• If the tread depth on the tires is sufficient, the age of the tire does not matter.

• Tires are perishable items. They could age out before wearing out.

What part of the tire connects the shoulder to the bead?

• tread

• plies

• sidewall

• grooves

Technician A says that correct tire pressure is critical to tire wear and vehicle handing. Technician B says that a tire pressure monitoring system is used to alert the driver if any tire is significantly low on pressure. Who is correct?

• Tech A

• Tech B

• Both Tech A and Tech B

• Neither Tech A nor Tech B

Technician A says that a “V” speed rated tire has met higher speed standards than a “T” speed rated tire. Technician B says that an “H” speed rated tire has a higher speed rating than both “V” and “T” speed rated tires. Who is correct?

• Tech A

• Tech B

• Both Tech A and Tech B

• Neither Tech A nor Tech B