Question 1

Technician A says that the purpose of SAI is to provide an upper suspension pivot location that causes the spindle to travel in an arc when turning. Technician B says that RWD vehicles typically have a greater SAI angle than FWD vehicles. Which technician is correct?

Accepted Answer

A)  Technician A only
B)  Technician B only
C)  Both technicians A and B
D)  Neither technician A nor BE) None of the above
F) All of the above

Question 2

Which angle determines the thrust angle?

Accepted Answer

A)  Rear camber
B)  Rear toe
C)  Front toe
D)  Front caster, SAI, and included angleE) A) and B)
F) None of the above

Question 3

When the top of the steering axis is tilted 2 degrees toward the rear of the vehicle, it is called ________.

Accepted Answer

A)  Negative caster
B)  Positive camber
C)  Positive caster
D)  Negative camberE) A) and C)
F) B) and C) C

Question 4

Which alignment angle is LEAST likely to cause tire wear?

Accepted Answer

A)  Camber
B)  Caster
C)  Toe
D)  None of these are correctE) All of the above
F) B) and C)

Question 5

If caster is adjustable for a given vehicle, how does the technician adjust it?

Accepted Answer

A)  Turning an eccentric cam
B)  Changing the length of the strut rod
C)  Adding or removing shims
D)  All of these are ways to adjust casterE) B) and C)
F) A) and B)

Question 6

Which alignment angle is most likely to cause tire wear?

Accepted Answer

A)  SAI
B)  Camber
C)  Toe
D)  CasterE) A) and C)
F) C) and D)

Question 7

Positive (+)  toe is ________.

Accepted Answer

A)  Toe-in
B)  Toe-outC) A) and B)
D) undefined

Question 8

What alignment angle is shown in this drawing?

Accepted Answer

A)  Thrust angle
B)  Toe out on turns
C)  Total toe
D)  Center lineE) C) and D)
F) A) and C)

Question 9

What alignment angle is shown in this drawing?

Accepted Answer

A)  Positive toe
B)  Positive camber
C)  Positive caster
D)  Negative camberE) All of the above
F) B) and C)

Question 10

If the turning radius (toe out on turns, or TOOT)  is out of specification, what part or component is defective?

Accepted Answer

A)  The steering arm is bent.
B)  The strut is bent.
C)  The control arm is bent.
D)  The spindle is bent.E) All of the above
F) A) and B)

Question 11

Included angle is ________.

Accepted Answer

A)  Camber + SAI
B)  Camber + caster
C)  Toe + camber
D)  SAI + casterE) All of the above
F) None of the above

Question 12

What alignment angle is shown in this illustration?

Accepted Answer

A)  Negative caster
B)  Positive toe
C)  Positive caster
D)  Positive camberE) C) and D)
F) A) and C)

Question 13

A vehicle will pull to the side with the most (positive) camber.

Accepted Answer

A) True 
 B)False  True

Question 14

Which angle, if unequal from side to side, is most likely to cause a pull or drift?

Accepted Answer

A)  TOOT
B)  Toe
C)  Camber
D)  None of theseE) None of the above
F) A) and B)

Question 15

If REAR toe is uneven, the vehicle will pull to the side with the ________ toe-in.

Accepted Answer

A)  Most
B)  LeastC) A) and B)
D) undefined

Question 16

The top of a tire is tilted out when viewed from the front. This is considered to be ________.

Accepted Answer

A)  Negative camber
B)  Positive camber
C)  Negative toe
D)  Positive casterE) C) and D)
F) A) and B)

Question 17

What term refers to the distance between a line through the steering axis and the centerline of the wheel at the contact point with the road surface?

Accepted Answer

A)  Toe-out on turns
B)  SAI
C)  Included angle
D)  Scrub radiusE) A) and B)
F) B) and D) D

Question 18

Which alignment angle is adjustable on all vehicles?

Accepted Answer

A)  Caster
B)  Toe
C)  Camber
D)  SAIE) A) and C)
F) A) and B)

Question 19

A steering dampener may be needed to reduce shimmy on vehicles that have a high positive ________.

Accepted Answer

A)  Camber
B)  Caster
C)  Included angle
D)  ToeE) All of the above
F) B) and D)

Question 20

Technician A says that measuring SAI and included angle can help in diagnosing poor cradle alignment. Technician B says that alignment angles can often reveal bent suspension or steering components. Which technician is correct?

Accepted Answer

A)  Technician A only
B)  Technician B only
C)  Both technicians A and B
D)  Neither technician A nor BE) None of the above
F) A) and B)

Exam 119: Wheel Alignment Principles

Technician A says that the purpose of SAI is to provide an upper suspension pivot location that causes the spindle to travel in an arc when turning. Technician B says that RWD vehicles typically have a greater SAI angle than FWD vehicles. Which technician is correct?

Correct AnswerverifiedShow Answer

Which angle determines the thrust angle?

Correct AnswerverifiedShow Answer

When the top of the steering axis is tilted 2 degrees toward the rear of the vehicle, it is called ________.

Correct AnswerverifiedC

Which alignment angle is LEAST likely to cause tire wear?

Correct AnswerverifiedShow Answer

If caster is adjustable for a given vehicle, how does the technician adjust it?

Correct AnswerverifiedShow Answer

Which alignment angle is most likely to cause tire wear?

Correct AnswerverifiedShow Answer

Positive (+) toe is ________.

Correct AnswerverifiedShow Answer

What alignment angle is shown in this drawing?

Correct AnswerverifiedShow Answer

What alignment angle is shown in this drawing?

Correct AnswerverifiedShow Answer

If the turning radius (toe out on turns, or TOOT) is out of specification, what part or component is defective?

Correct AnswerverifiedShow Answer

Included angle is ________.

Correct AnswerverifiedShow Answer

What alignment angle is shown in this illustration?

Correct AnswerverifiedShow Answer

A vehicle will pull to the side with the most (positive) camber.

Correct AnswerverifiedTrue

Which angle, if unequal from side to side, is most likely to cause a pull or drift?

Correct AnswerverifiedShow Answer

If REAR toe is uneven, the vehicle will pull to the side with the ________ toe-in.

Correct AnswerverifiedShow Answer

The top of a tire is tilted out when viewed from the front. This is considered to be ________.

Correct AnswerverifiedShow Answer

What term refers to the distance between a line through the steering axis and the centerline of the wheel at the contact point with the road surface?

Correct AnswerverifiedD

Which alignment angle is adjustable on all vehicles?

Correct AnswerverifiedShow Answer

A steering dampener may be needed to reduce shimmy on vehicles that have a high positive ________.

Correct AnswerverifiedShow Answer

Technician A says that measuring SAI and included angle can help in diagnosing poor cradle alignment. Technician B says that alignment angles can often reveal bent suspension or steering components. Which technician is correct?

Correct AnswerverifiedShow Answer

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True

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D

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