For Morse Taper MT-4 the range starts from 31.7 mm and till 50.50 mm (Approx).
6) The drill sleeves or sockets are available with Morse taper and their number range MT-1 to MT-6. Which one of the following drill sizes refers to MT-4 ?
Answer is:
Drills above 31.75 mm up to 50.50 mm
Explanation:
Related Drilling and Reaming MCQ - Machinist(Set-1) with Answers
Answer is:
Any of the above
Explanation:
A drilled hole goes out of centre due to
Improper clamping of workpiece
Workpiece having blowholes
Centre punch mark not being large enough to give proper seat to the chisel edge of drill
Answer is:
Kerosene
Explanation:
Kerosene is used as coolants when reaming aluminium work-piece.
Answer is:
5.8 mm
Answer is:
Material to be drilled
Explanation:
The point angle of a general purpose (standard) drill is 118°. This is the angle between the cutting edges (lips). The angle varies according to the hardness of the material to be drilled.
