Mechanical Engineering - Production Engineering - Discussion

Discussion Forum : Production Engineering - Section 2 (Q.No. 14)
14.
High speed steel drills can be operated at about __________ the speed of high carbon steel drills.
one-half
one-fourth
double
four times
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Kashyap said:   9 years ago
Because HCS has more hardness when compared to HSS.
(1)

S.sudhakar said:   7 years ago
If HCS has more hardness, it does not it run at high speed.

Am I right?

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