D And F Block Elements Question 390
Question: If steel is heated to a temperature well below red heat and is then cooled slowly, the process is called
[Kerala (Med.) 2002]
Options:
A) Tempering
B) Hardening
C) Softening
D) Annealing
Show Answer
Answer:
Correct Answer: A
Solution:
The steel obtained by this process retains its hardness but is not brittle.
BETA
