55. The outside edge of the right front tire is worn, but the center and inside edges are almost new. The wear on the outside surface is smooth and not scalloped, feathered, or sawtoothed. The left- side tire shows no sign of wear. What could be the problem? a. incorrect caster b. incorrect camber c. incorrect toe d. incorrect tire pressure 56. Technician A says the presence of an excessive thrust angle can cause poor directional stability on ice, snow, or wet pavement. Technician B says an excessive thrust angle can increase tire wear. Who is correct? a. A only b. B only c. both A and B d. neither A nor B

Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN:9781133612315
Author:Jack Erjavec, Rob Thompson
Publisher:Jack Erjavec, Rob Thompson
Chapter49: Wheel Alignment
Section: Chapter Questions
Problem 15RQ: While driving straight, a FWD car pulls to the right. The most likely cause is. more positive camber...
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55. The outside edge of the right front tire is worn, but the center
and inside edges are almost new. The wear on the outside surface
is smooth and not scalloped, feathered, or sawtoothed. The left-
side tire shows no sign of wear. What could be the problem?
a. incorrect caster
b. incorrect camber
c. incorrect toe
d. incorrect tire pressure
56. Technician A says the presence of an excessive thrust angle
can cause poor directional stability on ice, snow, wet
pavement. Technician B says an excessive thrust angle can
increase tire wear. Who is correct?
a. A only
b. B only
c. both A and B
d. neither A nor B
57. Technician A says if caster at both wheels is not equal, the
vehicle will tend to drift toward the side with the most positive
caster. Technician B says if camber is not the same on both
wheels, the vehicle will pull toward the side with the most
positive camber. Who is correct?
a. A only
b. B only
c. both A and B.
d. neither A nor B
58. Which statement about front wheel toe adjustment is false?
a. The front wheels must be in the straight ahead position
when adjusting toe.
b. The front wheel toe should be adjusted before the
front wheel caster.
c. Before adjusting toe, the outer bellows clamps should
be loosened.
d. Toe adjustments are made at the tie-rods.
59. Which tire wear pattern will result from excessive negative
camber?
a. Wear along the outside edge of the tread
b. Wear down the centre of the tread
c. Wear along the inside edge of the tread
d. A sawtooth wear pattern across the tread surface
60. is the angle represented by the tilt of a wheel inward or
outward from the vertical as viewed from the front of the car.
a. Camber
b. Caster
c. Toe
d. Steering axis inclination
Transcribed Image Text:55. The outside edge of the right front tire is worn, but the center and inside edges are almost new. The wear on the outside surface is smooth and not scalloped, feathered, or sawtoothed. The left- side tire shows no sign of wear. What could be the problem? a. incorrect caster b. incorrect camber c. incorrect toe d. incorrect tire pressure 56. Technician A says the presence of an excessive thrust angle can cause poor directional stability on ice, snow, wet pavement. Technician B says an excessive thrust angle can increase tire wear. Who is correct? a. A only b. B only c. both A and B d. neither A nor B 57. Technician A says if caster at both wheels is not equal, the vehicle will tend to drift toward the side with the most positive caster. Technician B says if camber is not the same on both wheels, the vehicle will pull toward the side with the most positive camber. Who is correct? a. A only b. B only c. both A and B. d. neither A nor B 58. Which statement about front wheel toe adjustment is false? a. The front wheels must be in the straight ahead position when adjusting toe. b. The front wheel toe should be adjusted before the front wheel caster. c. Before adjusting toe, the outer bellows clamps should be loosened. d. Toe adjustments are made at the tie-rods. 59. Which tire wear pattern will result from excessive negative camber? a. Wear along the outside edge of the tread b. Wear down the centre of the tread c. Wear along the inside edge of the tread d. A sawtooth wear pattern across the tread surface 60. is the angle represented by the tilt of a wheel inward or outward from the vertical as viewed from the front of the car. a. Camber b. Caster c. Toe d. Steering axis inclination
61. Technician A says all vehicles with strut suspension have
caster adjustments. Technician B says caster is the first angle
checked during a two-wheel alignment. Who is correct?
a. A only
b. B only
c. both A and B.
d. neither A nor B
62. An incorrect turning radius angle is being discussed.
Technician A says replacement shims can be used in many
vehicles to correct the condition. Technician B says steering or
suspension parts are damaged. Who is correct?
a. A only
b. B only
c. both A and B
d. neither A nor B
63. What alignment angle is adjusted by the cam bolt at the
junction between the base of the strut assembly and the steering
knuckle?
a. Caster b. Camber
c. Toe
d. SAI
64. Which statement is false?
a. Toe adjustments affect steering wheel centering
b. Excessive toe-out settings cause the tires to wear on
the outside edges
c. The vehicle will steer toward the side with the greatest
toe
d. Front wheel toe is the last adjustment made during a
front-end alignment
65. What happens when one wheel on an axle is set behind the
other?
a. Tire scrub
c. Dog tracking
b. Jounce
d. Setback
66. Road crown is being discussed. Technician A adds slightly
more negative caster on the left side to compensate. Technician B
adds slightly more positive camber on the right side. Who is
correct?
a. A only
c. both A and B
b. B only
d. neither A nor B
Transcribed Image Text:61. Technician A says all vehicles with strut suspension have caster adjustments. Technician B says caster is the first angle checked during a two-wheel alignment. Who is correct? a. A only b. B only c. both A and B. d. neither A nor B 62. An incorrect turning radius angle is being discussed. Technician A says replacement shims can be used in many vehicles to correct the condition. Technician B says steering or suspension parts are damaged. Who is correct? a. A only b. B only c. both A and B d. neither A nor B 63. What alignment angle is adjusted by the cam bolt at the junction between the base of the strut assembly and the steering knuckle? a. Caster b. Camber c. Toe d. SAI 64. Which statement is false? a. Toe adjustments affect steering wheel centering b. Excessive toe-out settings cause the tires to wear on the outside edges c. The vehicle will steer toward the side with the greatest toe d. Front wheel toe is the last adjustment made during a front-end alignment 65. What happens when one wheel on an axle is set behind the other? a. Tire scrub c. Dog tracking b. Jounce d. Setback 66. Road crown is being discussed. Technician A adds slightly more negative caster on the left side to compensate. Technician B adds slightly more positive camber on the right side. Who is correct? a. A only c. both A and B b. B only d. neither A nor B
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