Question

While machining B4C, tool over cut size when compared to mean grain size is?

(a) Two times greater

(b) Two times smaller

(c) Three times greater

(d) Three times smaller

I have been asked this question by my college professor while I was bunking the class.

I'm obligated to ask this question of USM topic in section Mechanical Processes of Advanced Machining

Answer 1

The correct choice is (c) Three times greater

Explanation: Tool over cut is 3 times greater than mean grain size while machining B4C.