DSL 103 Mid Term 11/20/2025

Front

Engine ________ are caused by the acceleration of the engine crankshaft that occurs on each cylinder firing.

Back

Torsional vibrations

Front

The relative resistance to motion between any two bodies in contact with one another is called ________.

Back

Coefficient of friction

Front

Clutch ________ is the amount of torque a clutch can transmit before it starts to slip.

Back

Capacity

Front

The purpose of a ________ is to smooth out vibrations from the crankshaft assembly and provide one of the friction surfaces for a clutch disc used on manual transmission/transaxle applications.

Back

flywheel

Front

Who is correct when discussing basic types of clutches used in medium- and heavy-duty commercial vehicles? Technician A says the two basic types are pull-type and push-type. Technician B says using a push-type clutch allows the use of a clutch brake to slow the transmission gearing to engage first and reverse gears.

Back

Both Technician A and Technician B

Front

________ was banned from use in friction materials in North America due to its carcinogenic qualities.

Back

Asbestos

Front

One of the procedures to change the lubricant and filters on a drive axle is:

Back

Draining the old lubricant before adding new lubricant

Front

What is one of the last procedures to change the lubricant and filters on a drive axle?

Back

Raise the axle right hand side by six inches or more.

Front

__________ is the SAE grade of drive axle lubricants for the ambient temperature range -40°F to 100°F.

Back

75W-80

Front

When should severe service recommendations be used for a vehicle?

Back

On grades greater than 8%