Mechanical Engineering - Machine Design - Discussion

Discussion Forum : Machine Design - Section 1 (Q.No. 6)
6.
The toughness of a material __________ when it is heated.
increases
decreases
does not change
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
21 comments Page 3 of 3.

Himanshu Rajput said:   1 decade ago
Because when material is heated than the grains inside the material separates and results in lower toughness.


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