12) The relief angle given behind the cutting lips is called
Answer is:
Lip clearance angle
Related Drilling and Reaming MCQ - Machinist(Set-1) with Answers
Answer is:
9.75 mm
Answer is:
Counter-boring
Explanation:
Counter-boring is the process of enlarging the end of an existing hole to accommodate the head of socket screw.
Answer is:
Counter-sinking
Explanation:
Countersinking is an operation of bevelling the end of a drilled hole. The tool used is called a countersink.
Answer is:
Drift
Explanation:
Drift tool is used to remove taper shank drills from the machine spindle.
