Servicing Wheels And Tires

25 Questions

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Vehicle Quizzes & Trivia

Chapter 27


Questions and Answers
  • 1. 
    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.
    • A. 

      True

    • B. 

      False

  • 2. 
    During cornering, centrifugal force acts on a vehicle to produce:
    • A. 

      Under-steer.

    • B. 

      Side force.

    • C. 

      Over-steer.

    • D. 

      Slip angle.

  • 3. 
    True or False. A tire with an A temperature rating has the best temperature resistance.
    • A. 

      True

    • B. 

      False

  • 4. 
    True or False. Over inflation of a tire causes excessive wear on the outer edges of the tread.
    • A. 

      True

    • B. 

      False

  • 5. 
    True or False. Tires and wheels must be balanced statically and dynamically.
    • A. 

      True

    • B. 

      False

  • 6. 
    True or False. When checking air pressure, always refer to the tire sidewall, because this is the most accurate air pressure reading.
    • A. 

      True

    • B. 

      False

  • 7. 
    True or False. When a radial tire bulges on the sidewall, this means that the tire is underinflated all the time. 
    • A. 

      True

    • B. 

      False

  • 8. 
    True or False. The DOT number on a tire tells the technician the exact date the tire was made, to the minute. 
    • A. 

      True

    • B. 

      False

  • 9. 
    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

  • 10. 
    The height of the center of gravity is determined by the ___________ of the center of the mass above the road surface.
    • A. 

      Height

    • B. 

      Depth

    • C. 

      Width

    • D. 

      Length

  • 11. 
    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

  • 12. 
    The tire must be an exact fit on the rim to:
    • A. 

      Ensure the tire and rim will seal the air in a tubeless tire.

    • B. 

      Transfer forces between the tire and wheel without slipping or chafing.

    • C. 

      Prevent the tire from turning on the rim.

    • D. 

      All the above

  • 13. 
    There are three different wheel offsets: zero offset, positive offset, and negative offset. Technician A says that negative offset places the hub mounting closer to the brake side of the wheel. Technician B says that negative offset is farther away from the brake side of the wheel. Who is correct?
    • A. 

      Tech A

    • B. 

      Tech B

    • C. 

      Both Techs A and B

    • D. 

      Neither Tech A nor B

  • 14. 
    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

  • 15. 
    The principle that allows your car to stop is: 
    • A. 

      Rubber in the tires

    • B. 

      Friction.

    • C. 

      Centrifugal force.

    • D. 

      Ply rating.

  • 16. 
    The part of the tire that makes contact with the road is the:
    • A. 

      Cords.

    • B. 

      Plies.

    • C. 

      Inner liner.

    • D. 

      Tread.

  • 17. 
    A green valve stem cap on newer tires means that the tires are: 
    • A. 

      Green design.

    • B. 

      Filled with nitrogen.

    • C. 

      Filled with helium.

    • D. 

      Filled with hydrogen.

  • 18. 
    Technician A says that 98% of the tires sold are of the radial design. Technician B says that 98% of the tires sold are of the bias ply design. Who is correct?
    • A. 

      Tech A

    • B. 

      Tech B

    • C. 

      Both Techs A and B

    • D. 

      Neither Tech A nor B

  • 19. 
    The aspect ratio of a tire is:
    • A. 

      The width of a tire.

    • B. 

      The rim diameter.

    • C. 

      How much air to inflate the tire to.

    • D. 

      Ratio of height to width.

  • 20. 
    Technician A says some tire pressure monitoring systems have a sensor mounted in each wheel rim. Technician B says some tire pressure monitoring systems use the wheel speed sensors in the ABS system to detect tire pressure. Who is correct?
    • A. 

      Tech A

    • B. 

      Tech B

    • C. 

      Both Techs A and B

    • D. 

      Neither Tech A nor B

  • 21. 
    Technician A says run-flat tires may be driven continually at zero inflation pressure. Technician B says some run-flat tires have sidewall reinforcements. Who is correct?
    • A. 

      Tech A

    • B. 

      Tech B

    • C. 

      Both Techs A and B

    • D. 

      Neither Tech A nor B

  • 22. 
    When inspecting tires on the car, you would check for all of the following EXCEPT:
    • A. 

      Wear.

    • B. 

      Inflation pressure.

    • C. 

      Punctures.

    • D. 

      Inner lining damage.

  • 23. 
    Technician A says that tire pressures need to be checked when cold. Technician B says that tire pressures need to be checked before they are driven less than 1 mile. Who is correct?
    • A. 

      Tech A

    • B. 

      Tech B

    • C. 

      Both Techs A and B

    • D. 

      Neither Tech A nor B

  • 24. 
    Tires can be balanced by the __________ method.
    • A. 

      Static

    • B. 

      Dynamic

    • C. 

      Road force

    • D. 

      All the above

  • 25. 
    Technician A says that a tire will increase or decrease 1 psi for each 10°F of temperature. Technician B says that if the vehicle has been driven to warm the tires, you must adjust the air pressure down to the manufacturer's recommended pressure. Who is correct?
    • A. 

      Tech A

    • B. 

      Tech B

    • C. 

      Both Techs A and B

    • D. 

      Neither Tech A nor B