Chapter 123 axles and cv joints

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A

A CV joint can operate at an angle of up to 40°. A. True B. False

A

A dent in the axle shaft can cause damage that may result in failure when engine torque is applied. A. True B. False

A

All drive shafts are balanced. A. True B. False

B

Two technicians are discussing a dented driveshaft. Technician a says that it should be repaired. Technician B says it should be replaced. Which technician is correct? A. Tech a B. Tech b C. Both techs D. Neither techs

D

Double cardan joints can function at a maximum angle of ________. A. 10 deg B. 0 deg C. 2 deg D. None of these

D

Drive axle shafts are also called _______. A. Drive shafts B. Propeller shafts C. Double-cardan shafts D. Half shafts

C

Inner CV joints must _______. A. Become shorter or longer is a suspension moves B. Wow the wheels to travel up and down over bumps C. Both a and b D. Neither a nor b

A

Small differences in driveshaft U joint angles cause vibration _______. A. When accelerating from a stop B. At highway speeds C. Both a and b D. Neither a nor b

A

Technician a says that engine torque is transmitted through the surface of the hollow driveshaft from the transmission to the rear differential and a rear wheel drive vehicle. Technician B says that a bent driveshaft and a rear wheel drive vehicle can cause a condition known as torque steer. Which technician is correct? A. Tech a B. Tech b C. both techs D. Neither techs

B

Technician a says that front and rear u joint on a rear wheel drive axle should operate at different angles to prevent vibration. Technician B says that front and rear u joints on a rear wheel drive axle should operate at equal angles to prevent vibration. Which technician is correct? A. Tech a B. Tech b C. Both techs D. Neither techs

C

Technician a says that some front wheel drive vehicles use on equal length front driveshaft called half shaft. Technician B says that an equal length driveshaft may cause a pole during hard acceleration called torque steer. Which technician is correct? A. Tech a B. Tech b C. Both techs D. Neither techs

A

Technician a says that the engine drives the u joint at a constant speed, but the output speed of the U joint changes based on the angle. Technician B says that small or u joint angles create crater changes and speed. Which technician is correct? A. Tech a B. Tech b C. Both techs D. Neither tech

C

Technician a says that to you joints are used on a driveshaft to prevent vibration. Technician B says that the more equal the U joint angles, the less chance of driveshaft vibration. Which technician is correct? A. Tech a B. Tech b C. Both techs D. Neither techs

D

The maximum allowable difference between the front and rear working all the driveshaft is________. A. 1/2 deg B. 1 deg C. 1/4 deg D. 3 deg

C

The name most often used to describe the universal joints on a conventional rear wheel drive vehicle drive shaft is_______. A. CV B. Trunnion C. Cardan D. Spider

B

The outer CV joints used on a front wheel drive vehicle are ________. A. Plunge type B. Fixed type

C

The proper grease to use with a CV joints is_______. A. Dark blue EP grease B. Black chassis grease C. The grease that is supplied with the boot kit D. Red moly grease

D

The rear wheel drive vehicle shutters or vibrates when first accelerating from a stop. The vibration is less noticeable at higher speeds. The most likely cause is_______. A. Drive shaft imbalance B. Brinelling of the u-joint C. Excessive u-joint working angles D. Unequal u-joint working angles

A

The rzeppa type joint is the most commonly used outer joint on front wheel drive vehicles. A. True B. False

D

This type of driveshaft joint is called a(an) ________. A. Ball joint B. Plunge joint C. U joint D. Rzeppa joint

C

Two technicians are discussing torque steer on a front wheel drive vehicle. Technician a says that equal length drive axle shafts help reduce torque Steer. Technician B says that equal drive axle shaft angles help reduce torque steer. Which technician is correct? A. Tech a B. Tech b C. Both techs D. Neither techs

B

What type of plunging joint as pictured here? A. Tripod B. Cross-groove C. Double offset ball D. None of these

A

Which driveshaft can be longer without the need for a center support bearing? A. Aluminum B. Steel

A

Which of the following is an acceptable working angle for a rear wheel drive driveshaft? A. 1 deg B. 6 deg C. 0 deg D. None of these are correct

D

Which of the following is not used as CV joint boot material? A. Silicone rubber B. Natural rubber C. Hard thermoplastic D. All of these are used as boot materials

D

Which of the following should you know to get a correct replacement driveshaft? A. Vehicle make B. Vehicle model C. Vehicle year D. Center to center distance between u joints

B

Which series U joint has the greatest torque capacity? A. 1260 B. 1480 C. 1350 D. 1310

B

Which type of CV joint transfers energy using six balls and closed in cages to allow movement? A. Cardan B. Rzeppa C. Tripod D. None of these

B

Technician a says only four-wheel-drive rear driveshaft are balanced. Technician B says all rear wheel drive drive shafts are balanced. Which technician is correct? A. Tech a B. Tech b C. Both techs D. Neither techs

B

Technician a says that carbon fiber drive shafts need support bearings every 24 inches. Technician B says that carbon fiber and aluminum driveshaft reduce rotating mass and are more efficient than steel driveshaft. Which technician is correct? A. Tech a B. Tech b C. Both techs D. Neither tech


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