#1
What is the recommended depth for tire tread?
1/16 inch
ExplanationTire tread depth of 1/16 inch or less indicates the need for replacement.
#2
What does the term 'PSI' stand for in relation to tires?
Pounds per Square Inch
ExplanationPSI measures the air pressure within the tire, crucial for optimal performance.
#3
What is the purpose of tire rotation?
To maintain even tread wear
ExplanationRotating tires promotes even tread wear, extending tire lifespan.
#4
Which of the following is NOT a factor affecting tire life?
Tire brand
ExplanationTire brand does not directly impact tire lifespan; maintenance practices are key.
#5
Which of the following is NOT a common tire maintenance practice?
Using mismatched tires on the same axle
ExplanationMismatched tires on the same axle can lead to uneven wear and handling issues.
#6
Which of the following can cause uneven tire wear?
Misaligned wheels
ExplanationWheel misalignment can result in uneven tire wear and affect vehicle handling.
#7
When should you replace your tires?
When the tread wear indicator bars are flush with the tread
ExplanationReplace tires when the tread wear indicators are level with the tread for safety.
#8
What is a common cause of tire blowouts?
Underinflation
ExplanationUnderinflation can lead to overheating and tire blowouts, posing safety risks.
#9
What is the purpose of tire alignment?
To ensure even tire wear
ExplanationAlignment maintains proper tire angles, preventing uneven wear.
#10
What does 'DOT' stand for in relation to tires?
Department of Transportation
ExplanationDOT markings indicate compliance with safety standards set by the Department of Transportation.
#11
What is the purpose of tire balancing?
To ensure equal weight distribution
ExplanationBalancing tires ensures even weight distribution, preventing vibrations and uneven wear.
#12
What is the purpose of tire siping?
To improve wet traction and reduce hydroplaning
ExplanationSiping enhances wet traction and reduces the risk of hydroplaning.
#13
What should you do if you experience a sudden tire blowout while driving?
Grip the steering wheel firmly and steer straight
ExplanationMaintain control by gripping the wheel and steering straight after a tire blowout.
#14
What is the purpose of tire bead seating?
To create an airtight seal between the tire and wheel
ExplanationBead seating ensures an airtight seal, crucial for tire functionality.
#15
What is the purpose of tire sidewalls?
To protect the tire from damage
ExplanationSidewalls provide structural support and protect the tire from external damage.
#16
What is the purpose of tire plugging?
To repair punctures in the tread area
ExplanationTire plugging is a method to repair punctures in the tread area.