A clutch is chattering when engaged. Technician A says that too much clutch freeplay is the cause. Technician B says that oil or grease may be on the friction disc. Which technician is? correct?

Catalytic converter efficiency is measured by monitoring the ________ _______ capacity of the converter during closed loop operation.

Fill in the blank(s) with the appropriate word(s).

Carbon, ceramics, and composites are in a group of materials called:

a. ferrous b. nonferrous c. alloys d. inorganic

Which of the following pipes can be cut with a hack?saw?

a. copper pipe b. poly pipe c. PVC pipe d. all of the above

A(n) ____________________ system joins steps in the production, marketing, and processing of

animals.

Fill in the blank(s) with the appropriate word(s).