Mechanical Engineering - Workshop Technology - Discussion

Discussion Forum : Workshop Technology - Section 2 (Q.No. 8)
8.
During hot working of metals
poor surface finish is produced
scale is formed on the metal surface
close tolerances can not be maintained
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Kesavan said:   8 years ago
During the hot working process the metal is heated to recrystallization temperatures so oxidation is happening due to that poor surface finish is obtained.

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