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 |