Question 1

A tripod-style CV joint is being discussed. Technician A says the outer housing is sometimes called a tulip. Technician B says the inner tripod is often called a spider. Who is correct?

Accepted Answer

A)   A only
B)   B only
C)   both A and B
D)   neither A nor BE) B) and C)
F) A) and D)

Question 2

Identify the basic internal components within a fixed-style CV joint.

Accepted Answer

Inner ball race; a c...

Question 3

What does the term "constant velocity" mean?

Accepted Answer

In a constant velocity joint the input s...

Question 4

Technician A says the differential allows torque to be transmitted to the driving axles at different speeds when the vehicle is turning a corner. Technician B says the gear ratio of the drive axle's ring and pinion gears provide a gear reduction and torque multiplication. Who is correct ?

Accepted Answer

A)   A only
B)   B only
C)   both A and B
D)   neither A nor BE) B) and C)
F) A) and D)

Question 5

In FWD applications, the outboard joint is a plunge joint.

Accepted Answer

A) True 
 B)False

Question 6

Which type of CV joint has a flat design?

Accepted Answer

A)   double-offset
B)   disc
C)   cross-groove
D)   fixed tripodE) C) and D)
F) B) and D)

Question 7

If a noise is heard while driving straight ahead but it ceases on turns in the same direction, what is the most likely cause?

Accepted Answer

A)   a bad wheel bearing
B)   a worn inner CV joint
C)   a worn outer CV joint
D)   a bad intermediate shaft bearingE) B) and C)
F) None of the above

Question 8

A cyclic vibration that comes and goes between 45 and 60 mph (72 to 97 kph)  is being discussed. Technician A says the problem may be caused by an out-of-balance tire and wheel. Technician B says the Rzeppa CV joint may be bad. Who is correct?

Accepted Answer

A)   A only
B)   B only
C)   both A and B
D)   neither A nor BE) B) and C)
F) A) and B)

Question 9

Describe the function of a differential.

Accepted Answer

It allows the inside and outsi...

Question 10

CV joints provide ______.

Accepted Answer

A)   uniform torque transfer
B)   constant speed
C)   operation through a wide range of angles
D)   all answers are correctE) B) and D)
F) A) and B)

Question 11

The CV joints nearest the transaxle are called the ______ joints.

Accepted Answer

A)   inner
B)   inboard
C)   outboard
D)   both "inner" and "inboard"E) B) and C)
F) All of the above

Question 12

Technician A says a double-offset plunging-style CV joint uses a cylindrical outer housing with straight grooves. Technician B says a double-offset plunging-style CV joint is a compact design. Who is correct?

Accepted Answer

A)   A only
B)   B only
C)   both A and B
D)   neither A nor BE) C) and D)
F) None of the above

Question 13

Which type of bearing is NOT used on semifloating axles?

Accepted Answer

A)   needle bearing
B)   ball bearing
C)   straight roller bearing
D)   tapered roller bearing.E) C) and D)
F) None of the above

Question 14

A _____-type limited slip differential uses a set of helical gears to transfer torque from the wheel that is slipping to the wheel with traction.

Accepted Answer

A)   Spicer
B)   Torsen
C)   Ravigneaux
D)   DeDionE) B) and C)
F) A) and D)

Question 15

The torsional damper that is sometimes attached to an axle shaft serves to balance the shaft.

Accepted Answer

A) True 
 B)False

Question 16

The axles in a(n) ____________________ axle housing drive the wheel assemblies but do not support the weight of the vehicle.

Accepted Answer

full-float...

Question 17

Describe the action of differential side gears when the vehicle is cornering.

Accepted Answer

As a vehicle is cornering, the...

Question 18

Which of the following is NOT a function of the final drive in a rear axle?

Accepted Answer

A)   changes the direction of power flow 90 degrees
B)   transfers braking torque to the front wheels
C)   allows the drive wheels to rotate at different speeds when negotiating a turn
D)   reduces speed/multiplies torqueE) A) and B)
F) C) and D)

Question 19

A humming or growling noise in the front of the vehicle that changes with road speed could be caused by ______.

Accepted Answer

A)   inadequate lubrication of the inner CV joint
B)   worn or damaged wheel bearings
C)   a bad intermediate shaft bearing [equal length axle shaft system]
D)   all answers are correctE) B) and C)
F) A) and D)

Question 20

The three basic types of driving axle shafts used in RWD vehicles are the three-quarter floating axles, full-floating axles, and ____________________ axles.

Accepted Answer

semi-float...

Exam 40: Drive Axles and Differentials

CV joints provide ______.

Correct AnswerverifiedShow Answer

A humming or growling noise in the front of the vehicle that changes with road speed could be caused by ______.

Correct AnswerverifiedShow Answer

Identify the basic internal components within a fixed-style CV joint.

Correct AnswerverifiedInner ball race; a c...View AnswerShow Answer

Technician A says a double-offset plunging-style CV joint uses a cylindrical outer housing with straight grooves. Technician B says a double-offset plunging-style CV joint is a compact design. Who is correct?

Correct AnswerverifiedShow Answer

A tripod-style CV joint is being discussed. Technician A says the outer housing is sometimes called a tulip. Technician B says the inner tripod is often called a spider. Who is correct?

Correct AnswerverifiedShow Answer

If a noise is heard while driving straight ahead but it ceases on turns in the same direction, what is the most likely cause?

Correct AnswerverifiedShow Answer

The CV joints nearest the transaxle are called the ______ joints.

Correct AnswerverifiedShow Answer

In FWD applications, the outboard joint is a plunge joint.

Correct AnswerverifiedShow Answer

A cyclic vibration that comes and goes between 45 and 60 mph (72 to 97 kph) is being discussed. Technician A says the problem may be caused by an out-of-balance tire and wheel. Technician B says the Rzeppa CV joint may be bad. Who is correct?

Correct AnswerverifiedShow Answer

The torsional damper that is sometimes attached to an axle shaft serves to balance the shaft.

Correct AnswerverifiedShow Answer

Which type of CV joint has a flat design?

Correct AnswerverifiedShow Answer

The axles in a(n) ____________________ axle housing drive the wheel assemblies but do not support the weight of the vehicle.

Correct Answerverifiedfull-float...View AnswerShow Answer

Describe the action of differential side gears when the vehicle is cornering.

Correct AnswerverifiedAs a vehicle is cornering, the...View AnswerShow Answer

Describe the function of a differential.

Correct AnswerverifiedIt allows the inside and outsi...View AnswerShow Answer

A _____-type limited slip differential uses a set of helical gears to transfer torque from the wheel that is slipping to the wheel with traction.

Correct AnswerverifiedShow Answer

Technician A says the differential allows torque to be transmitted to the driving axles at different speeds when the vehicle is turning a corner. Technician B says the gear ratio of the drive axle's ring and pinion gears provide a gear reduction and torque multiplication. Who is correct ?

Correct AnswerverifiedShow Answer

The three basic types of driving axle shafts used in RWD vehicles are the three-quarter floating axles, full-floating axles, and ____________________ axles.

Correct Answerverifiedsemi-float...View AnswerShow Answer

Which of the following is NOT a function of the final drive in a rear axle?

Correct AnswerverifiedShow Answer

Which type of bearing is NOT used on semifloating axles?

Correct AnswerverifiedShow Answer

What does the term "constant velocity" mean?

Correct AnswerverifiedIn a constant velocity joint the input s...View AnswerShow Answer

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Inner ball race; a c...
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full-float...
View Answer

Correct Answer
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As a vehicle is cornering, the...
View Answer

Correct Answer
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It allows the inside and outsi...
View Answer

Correct Answer
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Correct Answer
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semi-float...
View Answer

Correct Answer
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In a constant velocity joint the input s...
View Answer