Deck 3: Tires and Wheels

Question 1

A tire puncture greater than a 1/4 inch can be repaired.

Answer 1

False

Question 2

Dynamic wheel unbalance may result in:

A) Increased steering effort
B) Normal tire tread life
C) Lateral wheel shimmy
D) Tire and wheel tramp

Answer 2

C

Question 3

A tire with an A traction rating has the highest traction rating.

Answer 3

False

Question 4

A tire with excessive lateral runout may cause a tire thumping problem.

Question 5

Tire pressure monitoring systems are accurate within plus or minus 2 psi (14kpa) .

Question 6

The suspension system plays a significant role in reducing noise, vibration, and harshness.

Question 7

Technician A says cupped wear and bald spots on the tire tread may be caused by dynamic imbalance. Technician B says chassis waddle may be caused by static imbalance. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 8

Tire conicity is a visible defect that may be corrected by dynamic balancing.

Question 9

A tire with an A temperature rating has the best temperature resistance.

Question 10

Dynamic balancing is the preferred method of balancing tire and wheel assemblies.

Question 11

Some run-flat tires have sidewall reinforcements.

Question 12

The Uniform Tire Quality Grading (UTQG) system provides consumers with useful information to help t hem purchase tires based on all of the following EXCEPT:

A) Speed rating
B) Tread wear rating
C) Traction rating
D) Temperature rating

Question 13

The rim offset is the distance between the rim centerline and the mounting face of the rim.

Question 14

A vehicle pulls to the right when driving straight ahead. Technician A says the right front tire may have excessive radial runout. Technician B says the right-front tire may have a conicity defect. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 15

Technician A says lateral wheel shimmy may be caused by dynamic wheel imbalance. Technician B says dynamic wheel imbalance may cause tire thumping. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 16

Technician A says tire thumping may be caused by a heavy spot in the tire. Technician B says cupped tire tread may cause tire thumping. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 17

Technician A says radial tires have the ply cords positioned at a right angle in relation to the tire centerline. Technician B says that if radial tires are filled with nitrogen, the inflation pressure remains more stable over a longer period of time. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 18

Tread wear ratings on a tire allow customers to compare:

A) Temperature resistance
B) Tire life expectancy
C) Traction capacity
D) Load capacity

Question 19

A tire with a T speed rating has a maximum rated speed of 130 mph.

Question 20

Excessive tire radial runout may cause tire thumping and vibration.

Question 21

What is rim offset?

Question 22

The tire pressure monitoring system is being discussed. Technician A says that the tire pressure monitoring system must be reinitialized after a wheel pressure sensor has been replaced. Technician B says that the tire pressure monitoring system must be reinitialized after the tires have been rotated on some vehicles. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 23

What is the accuracy of a tire pressure monitor mounted at the valve stem?

Question 24

When the tread wear indicator is visible across the tread, the tire should be:

A) Repaired
B) Balanced
C) Rotated
D) Replaced

Question 25

On some tire pressure monitoring systems, the low tire pressure warning light in the instrument panel is illuminated when driving the vehicle if the tire pressure drops below:

A) 25 psi
B) 30 psi
C) 32 psi
D) 35 psi

Question 26

Technician A says the repairable area in a tire is the width of the tread belts. Technician B says a tire puncture one-half inch in diameter is repairable. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 27

All of the following statements about rim offset are  correct EXCEPT:

A) Positive offset, the rim centerline is inboard of the  mounting face of the rim.
B) Zero offset, the rims centerline aligns with the  mounting face of the rim.
C) Negative offset, the centerline is outboard of the  mounting face of the rim.
D) Positive offset, the centerline is outboard of the  mounting face of the rim.

Question 28

What are fast side-to-side oscillations of the tire and wheel assembly called?

Question 29

The maximum lateral tire runout is:

A) 0.015 inch
B) 0.035 inch
C) 0.075 inch
D) 0.100 inch

Question 30

The tread wear indicator bar becomes visible when  tread depth is less than?

A) 2/32 inch
B) 2/16 inch
C) 4/32 inch
D) 4/16 inch

Question 31

Tire pressure monitoring systems (TPMS) became  required equipment on all vehicles sold in the United  States beginning with what model year?

A) 1996
B) 2000
C) 2008
D) 2014

Question 32

Technician A says a tire with an H speed rating has a maximum speed rating of 130 mph. Technician B says a tire with an S speed rating has a maximum speed rating of 112 mph. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 33

Excessive heat buildup in a tire may be caused by:

A) Improper dynamic balance
B) Underinflation
C) Improper static balance
D) Improper wheel alignment

Question 34

How is the aspect ratio calculated?

Question 35

Static wheel unbalance causes:

A) Even wear on one edge of the tire tread
B) Even wear on the center of the tire tread
C) Feathered tire tread wear
D) Cupped tire tread wear

Question 36

All of the following are types of tire designs EXCEPT:

A) Bias-ply
B) Belted bias radial ply
C) Belted radial ply
D) Belted bias-ply

Question 37

Radial tire runout should be measured with a:

A) Machinist's rule
B) Dial indicator
C) Micrometer
D) Depth gauge

Question 38

When installing replacement tires:

A) Snow tires can be a different type or size than the  original tires on the vehicle.
B) If the tire size is different than the original tire size,   antilock brake system operation can be adversely  affected.
C) A four-wheel-drive vehicle can have different size  tires on the front and rear wheels.
D) Different tire sizes can be installed on the same  axle.

Question 39

Interpret what each item of a tire size means, using P255/60R19  as your example.

Question 40

A customer complains of a steering wheel shake on a rear-wheel-drive vehicle that occurs at speeds between 50 and 60 mph. What is the most likely cause of this complaint?

A) Worn shocks/struts
B) Steering gear is adjusted too tightly
C) An out-of-balance front tire
D) Worn control arm bushings

Question 41

Explain static wheel imbalance, and describe the results of static imbalance.

Question 42

What is the maximum speed at which a vehicle should be driven when a high-pressure minispare tire is installed on a vehicle?

Question 43

Describe the differences between all-season tires and conventional tires.

Question 44

What are four basic functions of tires?

Question 45

What is tire hydroplaning?

Question 46

A tire puncture greater than a 1/4 inch can be repaired.

Question 47

Explain the meaning of tire aspect ratio.

Question 48

How do tire pressure monitoring systems detect low tire pressure?

Question 49

What are the three major uniform tire quality grading system ratings?

Question 50

In tire pressure monitoring systems that display individual tire pressure on the driver information center display, what type of sensors are used?.

Question 51

Dynamic balancing is the preferred method of balancing tire and wheel assemblies.

Question 52

Explain the purposes of antioxidants in tire sidewalls.

Question 53

On tire pressure monitoring systems, the low tire pressure warning light in the instrument panel is illuminated when driving the vehicle if the tire pressure drops below what pressure?

Question 54

The service description consists of what two things?

Question 55

What is road force variation?

Question 56

Explain the purpose of the tire bead and bead filler.

Question 57

Explain the purposes of wheel balancing.

Question 58

Car manufacturers recommend that tire inflation pressure be checked when?

Question 59

What is the tire DOT code, and how do you know the date the tire was manufactured?

Question 60

What are bias-belted tires currently manufactured for?

Question 61

Technician A says a tire with an H speed rating has a maximum speed rating of 130 mph. Technician B says a tire with an S speed rating has a maximum speed rating of 112 mph. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 62

A tire with an A traction rating has the highest traction rating.

Question 63

A vehicle pulls to the right when driving straight ahead. Technician A says the right front tire may have excessive radial runout. Technician B says the right-front tire may have a conicity defect. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 64

A tire with excessive lateral runout may cause a tire thumping problem.

Question 65

A tire with a T speed rating has a maximum rated speed of 130 mph.

Question 66

Tire pressure monitoring systems are accurate within plus or minus 2 psi (14kpa) .

Question 67

A tire with an A temperature rating has the best temperature resistance.

Question 68

Excessive tire radial runout may cause tire thumping and vibration.

Question 69

Some run-flat tires have sidewall reinforcements.

Question 70

Tire conicity is a visible defect that may be corrected by dynamic balancing.

Question 71

The rim offset is the distance between the rim centerline and the mounting face of the rim.

Question 72

The suspension system plays a significant role in reducing noise, vibration, and harshness.

Question 73

Dynamic wheel unbalance may result in:

A) Increased steering effort
B) Normal tire tread life
C) Lateral wheel shimmy
D) Tire and wheel tramp

Question 74

Technician A says cupped wear and bald spots on the tire tread may be caused by dynamic imbalance. Technician B says chassis waddle may be caused by static imbalance. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 75

Technician A says tire thumping may be caused by a heavy spot in the tire. Technician B says cupped tire tread may cause tire thumping. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 76

Tread wear ratings on a tire allow customers to compare:

A) Temperature resistance
B) Tire life expectancy
C) Traction capacity
D) Load capacity

Question 77

Technician A says radial tires have the ply cords positioned at a right angle in relation to the tire centerline. Technician B says that if radial tires are filled with nitrogen, the inflation pressure remains more stable over a longer period of time. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 78

Technician A says lateral wheel shimmy may be caused by dynamic wheel imbalance. Technician B says dynamic wheel imbalance may cause tire thumping. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 79

All of the following statements about rim offset are  correct EXCEPT:

A) Positive offset, the rim centerline is inboard of the  mounting face of the rim.
B) Zero offset, the rims centerline aligns with the  mounting face of the rim.
C) Negative offset, the centerline is outboard of the  mounting face of the rim.
D) Positive offset, the centerline is outboard of the  mounting face of the rim.

Question 80

The Uniform Tire Quality Grading (UTQG) system provides consumers with useful information to help t hem purchase tires based on all of the following EXCEPT:

A) Speed rating
B) Tread wear rating
C) Traction rating
D) Temperature rating