Exam

Name___________________________________

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
 
1)  The part of the tire that is just under the tread of a radial tire is called the ________. 1) ______
  A)  Inner liner
  B)  Bead
  C)  Belt
  D)  Body (carcass) ply

2)  The aspect ratio of a tire means ________. 2) ______
  A)  The ratio of width to height
  B)  Its width to diameter of a wheel ratio
  C)  The ratio of rolling resistance
  D)  The ratio of height to width

3)  A tire is labeled 215/60Rx15 92T; the T indicates ________. 3) ______
  A)  Its tread wear rating
  B)  Its temperature resistance rating
  C)  Its load rating
  D)  Its speed rating

4)  A tire is labeled 215/60Rx15 92T; the 92 indicates ________. 4) ______
  A)  Speed rating
  B)  Tread wear rating
  C)  Temperature resistance rating
  D)  Load rating

5)  Tire inflation is very important to the safe and economical operation of any vehicle. Technician A says that the tire pressure should never exceed the maximum pressure imprinted on the sidewall of the tire. Technician B says to inflate tires to the pressures recommended on the tire information decal or placard on the driver's door. Which technician is correct? 5) ______
  A)  Technician A only
  B)  Technician B only
  C)  Both Technicians A and B
  D)  Neither Technician A nor B

6)  Wheel lug nuts should be tightened _________. 6) ______
  A)  With a torque wrench
  B)  By hand, plus 1/4 turn
  C)  By hand
  D)  With an air impact wrench

7)  All radial tires are belted. 7) ______
  A)  True
  B)  False

8)  Technician A says that all tires sold for passenger vehicle use must be approved by the DOT. Technician B says that the DOT code will indicate the build date of the tire. Which technician is correct? 8) ______
  A)  Technician A only
  B)  Technician B only
  C)  Both Technicians A and B
  D)  Neither Technician A nor B

9)  Technician A says to always purchase replacement tires with the same or greater speed rating as when the vehicle was new. Technician B says to install the same type of tire (example: m+s) on all wheels. Which technician is correct? 9) ______
  A)  Technician A only
  B)  Technician B only
  C)  Both Technicians A and B
  D)  Neither Technician A nor B

10)  Which of these is (are) a main function of tires? 10) ______
  A)  Serve as shock absorbers to cushion the vehicle ride
  B)  Provide friction (traction) between the vehicle and the road
  C)  Both A and B
  D)  Neither A nor B

11)  Technician A says that grooves in the tire tread are necessary for excellent dry traction. Technician B says that grooves in the tire tread are necessary for wet traction, to prevent hydroplaning. Which technician is correct? 11) ______
  A)  Technician A only
  B)  Technician B only
  C)  Both Technicians A and B
  D)  Neither Technician A nor B

12)  Hydroplaning can occur at speeds as low as ________. 12) ______
  A)  55 mph
  B)  45 mph
  C)  40 mph
  D)  30 mph

13)  Technician A says that a damaged bead can be repaired. Technician B says that tires with damaged beads must be replaced. Which technician is correct? 13) ______
  A)  Technician A only
  B)  Technician B only
  C)  Both Technicians A and B
  D)  Neither Technician A nor B

14)  Which of the following may be part of a radial tire belt? 14) ______
  A)  Rayon
  B)  Steel mesh
  C)  Nylon
  D)  All of these are correct

15)  During tire construction, after the tire has been heated to 300 degrees F (150 degrees C) for 30 minutes, it is called a ________. 15) ______
  A)  Cured tire
  B)  Green tire
  C)  Both A and B
  D)  Neither A nor B

16)  Technician A says that the load index marked on the tire indicates the maximum load the vehicle can carry. Technician B says that the load index marked on the tire indicates the maximum load each tire is designed to carry. Which technician is correct? 16) ______
  A)  Technician A only
  B)  Technician B only
  C)  Both Technicians A and B
  D)  Neither Technician A nor B

17)  Which part of the wheel shown is responsible for holding the tire beads in place?
17) ______
  A)  A
  B)  B
  C)  C
  D)  None of these

18)  A tire is worn excessively on both edges. The most likely cause of this type of tire wear is _________. 18) ______
  A)  Excessive radial runout
  B)  Overinflation
  C)  Underinflation
  D)  Excessive axial runout

19)  When seating a bead of a tire, never exceed ________ psi. 19) ______
  A)  40
  B)  30
  C)  50
  D)  60

20)  For best tire life, most vehicle manufacturers recommend tire rotation every ________. 20) ______
  A)  9000 miles
  B)  6000 miles
  C)  12000 miles
  D)  3000 miles

21)  What lubricant should be used when mounting a tire? 21) ______
  A)  Water-based soap
  B)  Grease
  C)  Silicone spray
  D)  SAE 10W-30 engine oil

22)  Using the modified X-method of tire rotation on a front wheel drive vehicle, where should the left front wheel be placed? 22) ______
  A)  Left rear
  B)  Right rear
  C)  Right front
  D)  Keep it at the left front

23)  Which statement below is FALSE? 23) ______
  A)  A tire out of balance dynamically can cause a shimmy-type vibration
  B)  Excessive radial runout can cause a tramp-type vibration
  C)  Excessive lateral runout can cause a tramp-type vibration
  D)  A tire out of balance statically can cause a tramp-type vibration

24)  The recommended type of wheel weight to use on aluminum (alloy) wheels is ________. 24) ______
  A)  Aluminum weights
  B)  Coated (painted) or stick-on lead weights
  C)  Lead weights with longer than normal clips
  D)  Lead with plated spring steel clips

25)  Most vehicle and tire manufacturers recommend that no more than ________ ounce balance weight be added to a wheel/tire assembly. 25) ______
  A)  2.5
  B)  5.5
  C)  4.5
  D)  3.5

26)  A vehicle vibrates at highway speed. Technician A says that water in the tire(s) could be the cause. Technician B says that an out-of-round tire could be the cause. Which technician is correct? 26) ______
  A)  Technician A only
  B)  Technician B only
  C)  Both Technicians A and B
  D)  Neither Technician A nor B

27)  Proper tire inflation pressure specification is found ________. 27) ______
  A)  On the driver's door or post
  B)  In the owner's manual
  C)  On the sidewall of the tire
  D)  Both A and B

28)  It is best to mount a tire with the round sticker aligned with the valve core. 28) ______
  A)  True
  B)  False

29)  Technician A uses silicone lubricant to seat the bead of a tire. Technician B uses motor oil to seat the bead of a tire. Which technician is correct? 29) ______
  A)  Technician A only
  B)  Technician B only
  C)  Both Technicians A and B
  D)  Neither Technician A nor B

30)  What term is used to describe how a vehicle handles when cornering and additional steering input is needed to maintain the corner? 30) ______
  A)  Understeer
  B)  Oversteer

31)  What term describes a condition when the rear tires lose traction before the front tires? 31) ______
  A)  Understeer
  B)  Oversteer

32)  Technician A uses an impact socket on an impact wrench to tighten lug nuts. Technician B tightens lug nuts in a criss-cross pattern with a torque wrench. Which technician is correct? 32) ______
  A)  Technician A only
  B)  Technician B only
  C)  Both Technicians A and B
  D)  Neither Technician A nor B

33)  Technician A says that a vibration above 45 MPH indicates a possible out-of-balance tire. Technician B says that a vibration above 45 MPH can only be diagnosed if engine load is considered. Which technician is correct? 33) ______
  A)  Technician A only
  B)  Technician B only
  C)  Both Technicians A and B
  D)  Neither Technician A nor B

34)  Technician A says that the recommended method of tire rotation is front to rear. Technician B says that the recommended method of tire rotation is the modified X method. Which technician is correct? 34) ______
  A)  Technician A only
  B)  Technician B only
  C)  Both Technicians A and B
  D)  Neither Technician A nor B

35)  If a vibration is felt in the steering wheel above 45 MPH, the problem is usually out-of-balance rear tires. 35) ______
  A)  True
  B)  False

36)  Technician A says to check tire radial runout to determine the cause of high speed vibration. Technician B says to check tire axial runout to determine the cause of high speed vibration. Which technician is correct? 36) ______
  A)  Technician A only
  B)  Technician B only
  C)  Both Technicians A and B
  D)  Neither Technician A nor B

37)  What is the proper instrument for measuring runout? 37) ______
  A)  outside micrometer
  B)  dial indicator
  C)  inside micrometer
  D)  vernier caliper

38)  Technician A says that inflation pressures vary with outside temperature. Technician B says that under-inflated tires cause reduced fuel economy. Which technician is correct? 38) ______
  A)  Technician A only
  B)  Technician B only
  C)  Both Technicians A and B
  D)  Neither Technician A nor B

39)  Two technicians are discussing a diagnostic procedure where a tire and wheel is spun freely with the vehicle on a hoist. Technician A says that if the treads appear to move inward and outward the tire should be balanced. Technician B says that if the treads move inward and outward the tire is defective and should be replaced. Which technician is correct? 39) ______
  A)  Technician A only
  B)  Technician B only
  C)  Both Technicians A and B
  D)  Neither Technician A nor B

40)  When installing a tire pressure monitoring system sensor on a wheel, the sensor should be mounted ________. 40) ______
  A)  With the flat part of the sensor facing the center section of the rim
  B)  With the flat part of the sensor parallel to the center section of the rim
  C)  Both A and B
  D)  Neither A nor B

41)  What is the term used to describe mounting a tire with the valve stem lined up with the dot painted on the tire? 41) ______
  A)  Equal configuration
  B)  Wheel balancing
  C)  Match mounting
  D)  None of these

42)  Technician A says that it is recommended that the vehicle be driven less than 50 mph for the first 50 miles to allow the tire to adhere to the wheel. Technician B says that sudden hard acceleration with newly mounted tires can cause the tire to change position on the wheel. Which technician is correct? 42) ______
  A)  Technician A only
  B)  Technician B only
  C)  Both Technicians A and B
  D)  Neither Technician A nor B

43)  Technician A says that most manufacturers recommend using anti-seize compound on lug studs when installing wheels. Technician B says that air impact wrenches are the best tool to tighten lug nuts. Which technician is correct? 43) ______
  A)  Technician A only
  B)  Technician B only
  C)  Both Technicians A and B
  D)  Neither Technician A nor B

44)  What is the proper tightening sequence for lug nuts? 44) ______
  A)  Clockwise rotation
  B)  Counterclockwise rotation
  C)  Star (criss-cross) pattern
  D)  None of these

45)  Anytime a set of aluminum wheels is installed, the lug nuts should be re-torqued after how many miles? 45) ______
  A)  75
  B)  25
  C)  100
  D)  50

46)  Compressed nitrogen is sometimes used for tire inflation because it holds less moisture than compressed air. 46) ______
  A)  True
  B)  False

47)  When using a torque limiting adapter with an air impact wrench, what is the suggested maximum air pressure for the air tool? 47) ______
  A)  125 psi
  B)  30 psi
  C)  90 psi
  D)  None of these

48)  Which is the preferred method for tire rotation? 48) ______
  A)  Front to rear
  B)  Full "x"
  C)  Side to side
  D)  Modified "x"

49)  In the tool setup shown here, the technician is preparing to measure ________.
49) ______
  A)  Tire out-of-round
  B)  Radial runout
  C)  Lateral runout
  D)  Tire balance

50)  A tire is worn excessively on both edges. The most likely cause of this type of tire wear is _________. 50) ______
  A)  Excessive radial runout
  B)  Underinflation
  C)  Overinflation
  D)  Excessive axial runout

51)  When seating a bead of a tire, never exceed ________ psi. 51) ______
  A)  30
  B)  40
  C)  60
  D)  50

52)  For best tire life, most vehicle manufacturers recommend tire rotation every ________. 52) ______
  A)  9000 miles
  B)  6000 miles
  C)  3000 miles
  D)  12000 miles

53)  What lubricant should be used when mounting a tire? 53) ______
  A)  SAE 10W-30 engine oil
  B)  Water-based soap
  C)  Silicone spray
  D)  Grease

54)  Using the modified X-method of tire rotation on a front wheel drive vehicle, where should the left front wheel be placed? 54) ______
  A)  Left rear
  B)  Right rear
  C)  Right front
  D)  Keep it at the left front

55)  The recommended type of wheel weight to use on aluminum (alloy) wheels is ________. 55) ______
  A)  Lead with plated spring steel clips
  B)  Aluminum weights
  C)  Lead weights with longer than normal clips
  D)  Coated (painted) or stick-on lead weights

56)  Most vehicle and tire manufacturers recommend that no more than ________ ounce balance weight be added to a wheel/tire assembly. 56) ______
  A)  3.5
  B)  2.5
  C)  4.5
  D)  5.5

57)  A vehicle vibrates at highway speed. Technician A says that water in the tire(s) could be the cause. Technician B says that an out-of-round tire could be the cause. Which technician is correct? 57) ______
  A)  Technician A only
  B)  Technician B only
  C)  Both Technicians A and B
  D)  Neither Technician A nor B

58)  Proper tire inflation pressure specification is found ________. 58) ______
  A)  On the driver's door or post
  B)  In the owner's manual
  C)  On the sidewall of the tire
  D)  Both A and B

59)  Technician A uses silicone lubricant to seat the bead of a tire. Technician B uses motor oil to seat the bead of a tire. Which technician is correct? 59) ______
  A)  Technician A only
  B)  Technician B only
  C)  Both Technicians A and B
  D)  Neither Technician A nor B

60)  What term is used to describe how a vehicle handles when cornering and additional steering input is needed to maintain the corner? 60) ______
  A)  Understeer
  B)  Oversteer

61)  What term describes a condition when the rear tires lose traction before the front tires? 61) ______
  A)  Understeer
  B)  Oversteer

62)  Technician A uses an impact socket on an impact wrench to tighten lug nuts. Technician B tightens lug nuts in a criss-cross pattern with a torque wrench. Which technician is correct? 62) ______
  A)  Technician A only
  B)  Technician B only
  C)  Both Technicians A and B
  D)  Neither Technician A nor B

63)  Technician A says that a vibration above 45 MPH indicates a possible out-of-balance tire. Technician B says that a vibration above 45 MPH can only be diagnosed if engine load is considered. Which technician is correct? 63) ______
  A)  Technician A only
  B)  Technician B only
  C)  Both Technicians A and B
  D)  Neither Technician A nor B

64)  If a vibration is felt in the steering wheel above 45 MPH, the problem is usually out-of-balance rear tires. 64) ______
  A)  True
  B)  False

65)  Technician A says that inflation pressures vary with outside temperature. Technician B says that under-inflated tires cause reduced fuel economy. Which technician is correct? 65) ______
  A)  Technician A only
  B)  Technician B only
  C)  Both Technicians A and B
  D)  Neither Technician A nor B

66)  Two technicians are discussing a diagnostic procedure where a tire and wheel is spun freely with the vehicle on a hoist. Technician A says that if the treads appear to move inward and outward the tire should be balanced. Technician B says that if the treads move inward and outward the tire is defective and should be replaced. Which technician is correct? 66) ______
  A)  Technician A only
  B)  Technician B only
  C)  Both Technicians A and B
  D)  Neither Technician A nor B

67)  Technician A says that it is recommended that the vehicle be driven less than 50 mph for the first 50 miles to allow the tire to adhere to the wheel. Technician B says that sudden hard acceleration with newly mounted tires can cause the tire to change position on the wheel. Which technician is correct? 67) ______
  A)  Technician A only
  B)  Technician B only
  C)  Both Technicians A and B
  D)  Neither Technician A nor B

68)  What is the proper tightening sequence for lug nuts? 68) ______
  A)  Clockwise rotation
  B)  Counterclockwise rotation
  C)  Star (criss-cross) pattern
  D)  None of these

69)  Anytime a set of aluminum wheels is installed, the lug nuts should be re-torqued after how many miles? 69) ______
  A)  50
  B)  25
  C)  100
  D)  75

70)  Compressed nitrogen is sometimes used for tire inflation because it holds less moisture than compressed air. 70) ______
  A)  True
  B)  False

71)  In the tool setup shown here, the technician is preparing to measure ________.
71) ______
  A)  Tire out-of-round
  B)  Radial runout
  C)  Lateral runout
  D)  Tire balance