Mechanical Engineering - Production Engineering - Discussion

Discussion Forum : Production Engineering - Section 1 (Q.No. 37)
37.
The correct sequence of tool materials in increasing order of their ability to retain their hot hardness is
carbide, ceramic, cermet, borazon
ceramic, carbide, borazon, cermet
cermet, carbide, ceramic, borazon
borazon, ceramic, carbide, cermet
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
16 comments Page 2 of 2.

Kumar raja said:   7 years ago
Thank you for the explanation.

Shubham said:   6 years ago
Yes, A is correct.

Biswajit said:   6 years ago
Yes, it's option A.

Salahuddin said:   5 years ago
Cermets have more hot hardness than carbide.

Shubham agrahari said:   5 years ago
Option A will be the correct answer for it. Since cermet is made up of ceramic and metal so, it will already have improved property in comparison to its parent metal. So cermet has high hot hardness than ceramic.
(2)

Kishore said:   5 days ago
Option A is the correct answer.


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