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Steering And Suspension > Final > Flashcards

Final Flashcards

1
Q

And asymmetrical tire has a tread design that is different from one side to the other.

True or false

A

True

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2
Q

Most tires used today have built-in treadwear indicators (wear bars) to show when they need replacement.

True or false

A

True

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3
Q

A bad axle or wheel bearing will not cause a tire wear problem.

True or false

A

False

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4
Q

Some vehicles have left hand threaded wheel studs and nuts on the driver side of the vehicle.

True or false

A

True

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5
Q

Self sealing tire wheel seal a puncture up to 3/16 of an inch.

True or false

A

True

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6
Q

When 2/32 inch as indicated on a tread depth gauge, the tire should be replaced.

A

True

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7
Q

A P195/75R14 higher classification includes both metric and English standard measurements.

True or false

A

True

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8
Q

Radial tires do not require special patches for puncture repair.

True or false

A

False

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9
Q

When replacing tires, renew the valve stem’s only if they are leaking.

True or false

A

False

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10
Q

Tightening Lugnuts beyond specification may distort the disc brake rotor.

True or false

A

True

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11
Q

Wheel offset is considered negative if the centerline of the room is in board of the mounting face and positive if outboard of the mounting face.

True or false

A

False

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12
Q

Amaris and Kevlar tire chords are lighter than steel chords, pound for pound, stronger than steel.

True or false

A

True

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13
Q

Studded tires have been outlawed in many states because they damage the road and can’t be safety hazards when driving on dry surfaces.

True or false

A

True

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14
Q

Most asymmetric tires are nondirectional tires.

True or false

A

False

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15
Q

A P225/60 R16 89H tire cannot be driven safely at speeds over 130 MPH.

True or false

A

True

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16
Q

Tire Rotation will not correct where problems due to misalignment, worn mechanical parts, or incorrect inflation pressure’s.

True or false

A

True

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17
Q

Tire pressure warning light on a TPM system will aluminate when the tire pressure drops 5% below its minimum pressure.

True or false

A

False

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18
Q

Tire filled with nitrogen gas will hold pressure three times longer than a filled with air.

True or false

A

True

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19
Q

Profile is another name for a tires ________.

A

Aspect ratio

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20
Q

Which of the following materials is not used in the body and felt of radial tires?

A

Copper mesh

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21
Q

Where does an over inflated tire show it’s wear?

A

In the center of the tread

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22
Q

Which of the following does not require a TMP warning system reset or relearn procedure?

A

Tire pressure adjustment

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23
Q

Most information about a car’s tires can be found ________.

A

On the tire placard

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24
Q

Tire that wobbles from side to side is said to have ______.

A

Lateral run out

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25
Q

Which of the following statements is NOT correct?

A

Wheel balancing is required only when new tires are installed

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26
Q

Of the following statements is NOT correct?

A

The bead is the decorative pattern at the outer edge of the tread

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27
Q

Which of the following statements about sidewall markings is in correct?

A

The tires maximum safe and fellation pressure and load are indicated

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28
Q

On a tire with a designation of P205/70R14, The distance between the room and the top of the tire is _________.

A

70% of 205 mm

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29
Q

Technician a says the front wheelbearings on a typical FWD car are pressed in and out of the steering knuckle. Acacian B says the rear wheel bearings on a typical FWD car are often serviced and the same way as the front wheel bearing’s for a RWD car. Who is correct?

A

Neither

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30
Q

Technician a uses a head type plug to repair a tire puncture in the Tread area of a tire. Technician B injects tire sealant to repair a tire puncture in the sidewall. Who is correct?

A

Neither

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31
Q

Technician A says front bearing assembly lock nuts for FWD vehicles are typically heavily torqued to maintain the bearing adjustment. Technician B says the axle nut for a FWD front wheel bearing assembly is often stacked in place. Who is correct?

A

Neither

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32
Q

Technician a says modern vehicles used to plus tires. Technician B says only heavy duty trucks use pneumatic tires. Who is correct?

A

A

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33
Q

Technician a says many modern vehicles are equipped with bias ply or belted bias ply tires. Technician B says modern vehicles are equipped with radio ply tires. Who is correct?

A

B

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34
Q

Technician a says tire tread patterns maybe directional or nondirectional. Technician B says tire tread patterns may be symmetrical or asymmetrical. Who is correct?

A

Both

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35
Q

Technician a says an incorrect tire and wheel size can affect bearing life. Technician B says changing tire and wheel sizes does not affect antilock brake systems. Who is correct?

A

A

36
Q

Tire sidewall markings are being discussed. Technician A says maximum load, traction, and wear ratings are indicated. Technician B says maximum inflation pressure, tread plies, and sidewall plies are indicated. Who is correct?

A

Both

37
Q

Technician A says tire traction ratings are indicated with A, B, or C. Technician B says tire temperature ratings are indicated with A, B, or C. Who is correct?

A

Both

38
Q

why are lightweight aluminum wheels superior to heavier stamped steel wheels?

A

Their lower unsprung weight improves handling

39
Q

Technician a says an indirect wheel can affect tire clearance, speedometer and odometer calibrations. Technician B says the wrong size wheel can also affect the antilock brake system. Who is correct?

A

Both

40
Q

Technician A says rim diameter is determined by measuring across the room between the flanges. Technician B says Rim width is measured across in the bead seating areas from the top to the bottom of the wheel. Who is correct?

A

Neither

41
Q

Technician A says nylon cord tires generally give a smoother ride then rayon, but do not have the inherent strength needed to cope with long high-speed runs. Technician B says polyester and fiberglass tires offer many of the best qualities of rayon and nylon, but without the disadvantages. Who is correct?

A

B

42
Q

Which of the following properties is NOT printed on the tire Placard?

A

Lug nut torque

43
Q

Technician A says proper inflation pressure is printed on the tire sidewall. TechnicianB says the proper inflation pressure is listed on the tire placard on the divers door jam. Who is correct?

A

B

44
Q

A tire that shows maximum wear on the outer edges of the tread showing little or no wear in the center of the tread was probably caused by _______.

A

Under inflation

45
Q

Technician A sets tire pressure when the tires are hot. Technician B sets tire pressure when the tires are cold. Who is correct?

A

B

46
Q

Direct tire pressure monitoring [TPM] systems are being discussed. Technician A says the tire pressure sensor is a single unit with a built-in battery that measures tire pressure and temperature and transmits a signal and ID number for that particular tire. Technician B says the system does not require a relearn procedure after tires have been rotated or replaced because it knows the ID number of each tire. Who is correct?

A

A

47
Q

InDirect tire pressure monitoring systems use information from ______ to detect low tire pressure.

A

ABS wheel speed sensors.

48
Q

Lateral and radial wheel runout is measured with a __________.

A

Dial indicator

49
Q

Technician A says radial tires can be mixed with other types of tires on the same vehicle. Technician B says tires should be replaced with ones of the same or higher speed rating. Who is correct?

A

B

50
Q

Before dismounting s tire with TPM sensor, _____________.

A

Unbolt the air valve/sensor assembly and allowed to drop into the tire.

51
Q

What type of bead loosener should be used when dismounting run flat tires?

A

Roller type

52
Q

Which of the following will not cause uneven tread wear?

A

High speed driving

53
Q

Technician A says wheel trump is caused by dynamic imbalance. Technician B says wheel shimmy is caused by static imbalance. Who is correct?

A

Neither

54
Q

Technician A says uneven rumble or a grinding indicates possible wheel bearing problems. Technician B says wheel bearings should be checked for wear and looseness by grasping the top and the bottom of the tire and trying to wordless the wheel and tire back and forth. Who is correct?

A

Both

55
Q

Whenever tapered roller bearing is replaced, it’s __________ must be replaced with it.

A

Race

56
Q

A tires ____________ what is the ratio of its cross-sectional height to its cross-sectional width.

A

Profile

57
Q

A bubble balancer performs a(n) ________ balance on a tire and wheel

A

Static

58
Q

The tire _________ , or safety compliance certification label, is generally found on the drivers door jam.

A

Placard

59
Q

Pneumatic tires are filled with _________.

A

Air

60
Q

A _______________ tire has the same handling qualities in either direction of rotation.

A

Non directional

61
Q

___________ tires on a regular basis can preserve balanced handling and traction and even out tire wear.

A

Rotating

62
Q

Typically, a self supporting tire can be driven for 50 miles at speeds up to ______ MPH after it has lost air pressure.

A

55

63
Q

Tread wear is indicated as a number that ranges from ___________ and higher.

A

100

64
Q

Running a __________ took over a cold patch helps to bind it to the tire.

A

Stitching

65
Q

A tire that is off-center and has an eccentricity problem is said to have ________ run out.

A

Radial

66
Q

Tire where that is and even or premature is usually a good indicator of ________ and _______ system problems.

A

Steering and suspension

67
Q

The _________ is the portion of the tire that helps keep in contact with the rim of the wheel.

A

Bead

68
Q

The _________ enter area of the wheel is designed to allow for easy tire removal and installation.

A

Drop

69
Q

______-ply Irish have fabric plies that run alternatively and form a just crossed design.

A

Bias

70
Q

I’m too much water separates the tire from the road, _______ takes place.

A

Hydroplaning

71
Q

In a P195/70 R14 79H tire, Number 79 is the ___________ rating of the tire.

A

Maximum load

72
Q

Most manufacturers recommend tire rotation at least every ___________ miles.

A

6,000 miles

73
Q

Wear indicator bars appear as 1.2 inch wide band when the tire tread depth wears to _____________ inch.

A

1

74
Q

Tire pressure monitoring systems are required on all ________ and nowhere passenger cars, trucks, multipurpose passenger vehicles, and buses with a gross vehicle weight rating of 10,000 pounds or less.

A

2008

75
Q

A _______ hype wheel balancer measures the deflection of the tire as it rolls under pressure applied to the tire buy a roller. The machine then makes recommendations for the service required to remove all run out and ensure vibration from the operation.

A

Road force

76
Q

Identify the letter codes and size dimensions of a P196/75R14 tire.

A 
P= passenger
195= section width
75= aspect ratio
R= Radial construction
14= diameter of the wheel
77
Q

List three popular methods of repairing tires.

A

Head type plugging
Cold patch
Hot patch

78
Q

What three services may be needed to correct uneven tire treadwear problems.

A

Balancing rotation, and alignment

79
Q

Identify three tire dimensions and properties that are imprinted on the tire sidewall.

A 
Application
Profile
Tread width
Load index
Speed rating 
Max pressure
Number of plies
80
Q

What are three materials used to construct wheels?

A

Steel aluminum or magnesium

81
Q

That’s the difference between sprung weight and unsprung weight?

A

Srung weight is supported by the suspension. Unsprung weight and supported by the frame.

82
Q

When purchasing replacement tires, what wheel specifications must match the OEM wheels?

A

Replacement wheels must be equal to the original equipped wheels and a load capacity, diameter, width, offset, and mounting configuration.

83
Q

Installing new rims and tires, what is plus sizing and what is its advantage?

A

Plus sizing is the installation of a rim with a larger diameter than the OEM rim in combination with a tire with a lower profile. The net result is a tire that is wider than the OEM but has the same overall tire diameter as the OEM.

84
Q

What is static balance?

A

Equal distribution of weight around at the wheel.

85
Q

What is dynamic balance?

A

Equal distribution of weight on each side of the centerline

Steering And Suspension (1 decks)

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