1. A tool used to withdraw a drill from the sleeve is called
drill remover
drill puller
drift
drill drawer
✅ The correct answer is option C.
Production Engineering MCQs
2. In a planer
tool is stationary and work reciprocates
work is stationary and tool reciprocates
tool moves over stationary work
tool moves over recipr
✅ The correct answer is option A.
3. In an orthogonal cutting, the depth of cut is halved and the feed rate is double. If the chip thickness ratio is unaffected with the changed cutting conditions, the actual chip thickness will be
doubled
halved
quadrupled
unchanged
✅ The correct answer is option A.
4. The tool life in case of a grinding wheel is the time
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.
5. 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.
6. 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.
7. 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.
8. 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.
9. 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.
10. 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.