shear velocity
chip velocity
cutting velocity
mean velocity
✅ The correct answer is option B.
Production Engineering MCQs
In a shaper
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 B.
As the cutting speed increases, tool life decreases.
Yes
No
✅ The correct answer is option A.
In __________ operation, the cutting force is maximum when the tooth begins its cut and reduces it to minimum when the tooth leaves the work.
up milling
down milling
face milling
end milling
✅ The correct answer is option B.
Which of the following statement is correct about nose radius?
It improves tool life
It improves the surface finish
both (a) and (b)
none of these
✅ The correct answer is option C.
While cutting helical gears on a non-differential gear hobber, the feed change gear ratio is
independent of index change gear ratio
dependent on speed change gear ratio
inter-related to index change gear ratio
independent of speed a
✅ The correct answer is option C.
The lip clearance angle is the angle formed by the
leading edge of the land with a plane having the axis of the drill
flank and a plane at right angles to the drill axis
chisel edge and the lip as viewed from the end of a drill
none of the above
✅ The correct answer is option B.
In centreless grinding, the surface speed of regulating wheel is
5 to 15 m/min
15 to 60 m/min
60 to 90 m/min
90 to 120 m/min
✅ The correct answer is option B.
In which of the following machine, the work rotates and the tool is stationary?
Vertical boring machine
Horizontal boring machine
Precision boring machine
Jig boring machine
✅ The correct answer is option A.
For fast removal of materials during grinding, a __________ grinding wheel is used.
coarse grained
fine grained
medium grained
✅ The correct answer is option A.