MCQ
21. In roller bearings which type of rolling elements are used?
Cylindrical rollers
Taper rollers
Spherical rollers
All of the above
22. In which operation, motion of job is rotary and motion of cutting tool is forward translating—
turning
planning
milling
all of the mentioned
23. What happen if feed increases?
cutting time increases
cutting time decreases
no effect on cutting time
none of the mentioned
24. Which of the following is the part of feed mechanism?
presser foot
throat plate
feed dog
all of the mentioned
25. Which of the following is not a surface finishing process?
Honing
Lapping
Grinding
Boring
26. In thread cutting, which type of feed motion is possible?
engaging
disengaging
either engaging or disengaging
none of the mentioned
27. Which type of cutting tools has wide application on lathes?
single point
multi point
both single pont and multi point
none of the mentioned
28. In how many groups, various metal working processes can be classified?
2
3
4
none of the mentioned
29. Increased feed-
increases tool's life .
decreases tool's life
no effect on tool's life
none of the mentioned
30. In how many groups, cutting tools can be divided?
2
4
3
none of the mentioned
31. The split is mounted in the -- of the carriage.
saddle
apron
top slide
cross slide
32. In which operation, motion of job is rotary and motion of cutting tool is forward translating?
Planning
turning
milling
all of the mentioned
33. The-- motion is converted into-- motion of the tool slide in thread cutting.
rotary, feed
feed, rotary
transmitting, longitudinal
none of the mentioned
34. The feed mechanism enables feed for the tool-- whenever needed.
traversely
longitudinally
longitudinal and traversely both
none of the mentioned
35. The process of metal cutting is affected by the relative motion between the piece of work and the hard type edge of a cutting tool against the workpiece.
true
false
both
none
36. A single point has...
Rake angle
Lip angle
Cutting angle
All of these
37. A flat surface can be produced by a lathe machine, if the cutting tool moves-
parallel to the axis of rotation of workpiece
perpendicular to the axis of rotation of workpiece
at an angle of 450
none of the above
38. Which of the following is the example of multi point cutting tool—
milling cutter
broaching tool
both milline cutter and bronching tool
none of the mentioned
39. Which process squeezes metals into peaks and troughs with plastic deformation?
Grooving
Reaming
Knurling
None of the above
40. The lead screw obtains -- motion from the working spindle.
rotary
transmitting
both rotary and transmitting
none of the mentioned