Exam 40: Drive Axles and Differentials
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Exam 40: Drive Axles and Differentials101 Questions
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A popping or clicking noise when turning indicates a possible worn ______ CV joint.
(Multiple Choice)
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(36)
The final drive gears in the drive axle assembly are sized to provide a gear speed increase and torque reduction.
(True/False)
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(43)
What is the function of the ring and pinion gears in the rear axle of an RWD vehicle?
(Essay)
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(34)
In a hypoid gearset, the drive pinion meshes with the ring gear at gear centerline.
(True/False)
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(38)
The double-offset joint is typically used in applications that require ______.
(Multiple Choice)
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(37)
Technician A says axles with a numerically high gear ratio such as 4.11 allow the engine to run slower at any given speed, resulting in better fuel conservation. Technician B says axles with numerically low gear ratio such as 2.83 allow for fast acceleration and good pulling power. Who is correct?
(Multiple Choice)
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(35)
The differential pinion gears do not rotate on the pinion shaft when both driving wheels are turning at the same speed.
(True/False)
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(45)
When the yokes are in the same plane, the joints are said to be ______.
(Multiple Choice)
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Technician A says the outer CV joints of FWD axle shafts are nine times more likely to need replacement than the inner joints. Technician B says a worn cage or race can cause a clicking sound during a turn. Who is correct?
(Multiple Choice)
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(42)
C-shaped washers [C-locks] are used to retain the axle shaft used with _____ bearings.
(Multiple Choice)
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(36)
A(n) ____________________ floating axle has one wheel bearing per wheel on the outside of the axle housing.
(Short Answer)
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(31)
Technician A says a hunting gearset is one in which one drive pinion gear tooth contacts only certain ring gear teeth. Technician B says a partial nonhunting gearset is one in which one pinion tooth contacts only six ring gear teeth. Who is correct?
(Multiple Choice)
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When the yokes at each end of a driveshaft are in the same plane, the joints are said to be in ___________________.
(Short Answer)
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(38)
The double-offset joint uses a cylindrical outer housing with straight grooves and is typically used in applications that require higher operating angles and greater plunge depth.
(True/False)
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(40)
Technician A says a fixed-style CV joint may be called a Rzeppa joint. Technician B says a plunging-style CV joint may be called a Rzeppa joint. Who is correct?
(Multiple Choice)
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(34)
Technician A says the outboard CV joint allows torque to be transmitted through a working angle of up to 20 degrees as the suspension moves up and down. Technician B says the CV joint transmits torque to the front wheels at an angle of up to 40 degrees as the vehicle is steered right and left. Who is correct?
(Multiple Choice)
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A ___________________ permits the effective length of the drive shaft to change with the movement of the rear suspension and drive axle assembly.
(Short Answer)
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