95) Tap water is NOT preferred as coolant while drilling. What is the reason for this ?
Answer is:
Danger of corrosion
Related Cutting Tools MCQ - Machinist(Set-1) with Answers
Answer is:
External thread cutting tool
Explanation:
A die is a external thread cutting tool.
Answer is:
By chipping the end portion from opposite side
Answer is:
Single cut
Explanation:
A single cut file has rows of teeth cut in one direction across its face. The teeth are at an angle of 60 degree to the centre line. It can cut chips as wide as the cut of the file. Files with this cut are useful for filing soft metals like brass, aluminium, bronze and copper.
Answer is:
Hard
Explanation:
For cylindrical grinding a small diameter work with fairly large wheel Hard grade wheel is used.
