between two successive regrinds of the wheel
taken for the wheel to be balanced
taken between two successive wheel dressings
taken for a wear of 1
✅ The correct answer is option C.
Production Engineering MCQs
212. When the end of a tap is tapered for about three or four threads, it is known as a
taper tap
bottoming tap
second tap
none of these
✅ The correct answer is option C.
213. A dynamometer is a device used for the measurement of
chip thickness ratio
forces during metal cutting
wear of the cutting tool
deflection of the cutt
✅ The correct answer is option B.
214. Chemical milling operation is performed
on universal milling machine
on plain milling machine
in a tank containing an etching solution
any one of these
✅ The correct answer is option C.
215. The factor responsible for the formation of continuous chips with built up edge is
low cutting speed and large rake angle
low cutting speed and small rake angle
high cutting speed and large rake angle
high cutting speed and
✅ The correct answer is option B.
216. The cutting speed for drilling __________ with high speed steel drills is 24 to 45 m/min.
mild steel
copper
aluminium
brass
✅ The correct answer is option A.
217. The chuck preferred for quick setting and accurate centering of a job is
four jaw independent chuck
collect chuck
three jaw universal chuck
magnetic chuck
✅ The correct answer is option B.
218. In transverse grinding
the work is reciprocated as the wheel feeds to produce cylinders longer than the width of wheel face
the work rotates in a fixed position as the wheel feeds to produce cylinders equal to or shorter than the width of wheel face
the work is reciprocated as the wheel feeds to produce cylinders shorter than the width of wheel face
the work rotates in a
✅ The correct answer is option A.
219. In oblique cutting of metals, the cutting edge of the tool is
perpendicular to the workpiece
perpendicular to the direction of tool travel
parallel to the direction of tool travel
inclined at an angle l
✅ The correct answer is option D.
220. The soft grade grinding wheels are denoted by the letters
A to H
I to P
Q to Z
A to P
✅ The correct answer is option A.