65) In machining metals, chips break due to ______ of work material.
Answer is:
work hardening
Related Production Engineering MCQ with Answers
Answer is:
all of these
Explanation:
In machining metals, surface roughness is due to
* feed marks or ridges left by the cutting tool
* fragment of built-up edge on the machined surface
* cutting tool vibrations
Answer is:
all of these
Explanation:
The surface finish is improved by the increase in
* cutting speed
* nose radius
* true rake angle
Answer is: