53) While chipping, The clearances angle is the angle between
The working surface of the job and the bottom surface of cutting edges of chisel
Related Cutting Tools MCQ - Machinist(Set-1) with Answers
For conduit and other thin tubing, sheet metal work etc. use a 0.8 mm pitch.
For soft materials such as bronze, brass, soft steel, cast iron, heavy angles etc. use a 1.8 mm pitch blade.
The taper shank drill should be removed from the machine spindle by means of tool called drill drift.
The drill chucks are held on the machine spindle by means of an arbor fitted on the drill chuck.