39) The safe edge of file is used to
Answer is:
Protect the adjacent sides
Related Cutting Tools MCQ - Turner (Set-1) with Answers
Answer is:
Required to avoid friction between the blade and workpiece
Answer is:
5.8 mm
Answer is:
Silicon carbide
Explanation:
A grinding wheel consists of the abrasive that does the cutting, and the bond that holds the abrasive particles together.
There are two types of abrasives.
1. Natural abrasive The natural abrasives are emery and corrundum,These are impure forms of aluminium oxide.
2. Artificial abrasive Artificial abrasives are silicon carbide and aluminium oxide.