Which of the following terms refers to the very small movement of terminals against each other that wears away the outer layer of the metal? 

A. continuity
B. thermal cycling
C. resistance
D. fretting


Answer: D

Trades & Technology

You might also like to view...

List three reasons for irrigating turfgrass

What will be an ideal response?

Trades & Technology

Where can a technician find information about lubrication points, lift points, and oil specifications?

A) Drivers door panel B) Lubrication guide C) Owners manual D) None of these

Trades & Technology

In the United States, the ratite industry consists of ostriches, emus, and:

A. kiwis B. cassowary C. wild turkeys D. rheas

Trades & Technology

Three types of misalignment when referring to pulleys are offset, ____, and angularity.

A. vertical B. horizontal C. combination D. parallel

Trades & Technology