Q.

If a sample of steel shown excessive hardness after tempering the probable cause could be

A. Insufficient holding time during tempering
B. Excessive proportion of alloying elements
C. High temperature during tempering
D. Change in volume during cooling
E. None of the above
Answer» A. Insufficient holding time during tempering
2.3k
0
Do you find this helpful?
14

View all MCQs in

Metallurgy

Discussion

No comments yet