Mechanical Engineering - Engineering Materials - Discussion

Discussion Forum : Engineering Materials - Section 1 (Q.No. 43)
43.
In full annealing, the hypo-eutectoid steel is heated from 30° C to 50° C above the upper critical temperature and then cooled
in still air
slowly in the furnace
suddenly in a suitable cooling medium
any one of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
7 comments Page 1 of 1.

Biju said:   4 years ago
A-> Normalizing.
B-> Annealing.
C-> Quenching.

Sanjay said:   6 years ago
Thank you for explaining.

Rajib said:   7 years ago
Upper critical temp = 910°C.
Lower critical temp = 723°C.

Mohan said:   8 years ago
What is upper critical temperature and lower critical temperature?

Demudu said:   8 years ago
Thank you for giving short answer @Joseph.

Sai chand said:   9 years ago
Thanks for your information @Joseph Antony.

Joseph antony said:   9 years ago
Given option is related to,

(A) = tempering.
(B) = annealing.
(C) = normalising.

Post your comments here:

Your comments will be displayed after verification.