Q.

In Electro discharge machining, materials with low melting point have which type of surface roughness?

A. rough
B. smooth
C. fine
D. all of the mentioned
Answer» A. rough
Explanation: in electro discharge machining, materials having low melting point have high rougher surfaces and vice-versa.
2.1k
0
Do you find this helpful?
13

Discussion

No comments yet