Discussion
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- Question
A dense structure of a grinding wheel is used for
Options- A. hard materials
- B. brittle materials
- C. fnishing cuts
- D. all of these
- Correct Answer
- all of these
- 1. The part of the tool on which cutting edge is formed is called nose.
Options- A. Correct
- B. Incorrect Discuss
- 2. The size of abrasive grain required in a grinding wheel depends upon the
Options- A. amount of material to be removed
- B. hardness of material being ground
- C. finish desired
- D. all of these Discuss
- 3. In the relation VTn = C, the value of n for ceramic tools is
Options- A. 0.1 to 0.2
- B. 0.20 to 0.25
- C. 0.25 to 0.40
- D. 0.40 to 0.55 Discuss
- 4. In hot machining, the work is heated by
Options- A. simple heating
- B. flame heating
- C. induction heating
- D. any one of these Discuss
- 5. When the tool moves parallel to the lathe axis, the movement is termed as
Options- A. cross feed
- B. angular feed
- C. longitudinal feed
- D. any one of these Discuss
- 6. The type of tool used on milling machine and broaching machine is
Options- A. single point cutting tool
- B. two point cutting tool
- C. three point cutting tool
- D. multi-point cutting tool Discuss
- 7. The helix angle of a drill is more than 30° for drilling aluminium.
Options- A. Agree
- B. Disagree Discuss
- 8. The ratio between two consecutive spindle speeds for a six-speed drilling machine using drills of diameter 6.25 to 25 mm size and at a cutting velocity of 18 m/min is
Options- A. 1.02
- B. 1.32
- C. 1.66
- D. 1.82 Discuss
- 9. The stroke of a shaping machine is 250 mm. It makes 30 double strokes per minute. The overall average speed of operation is
Options- A. 3.75 m/min
- B. 5 m/min
- C. 7.5 m/min
- D. 15 m/min Discuss
- 10. The swing diameter over carriage is always less than the swing diameter over bed.
Options- A. Yes
- B. No Discuss
Production Engineering problems
Search Results
Correct Answer: Incorrect
Correct Answer: hardness of material being ground
Correct Answer: 0.40 to 0.55
Correct Answer: any one of these
Correct Answer: longitudinal feed
Correct Answer: multi-point cutting tool
Correct Answer: Agree
Correct Answer: 1.32
Correct Answer: 7.5 m/min
Correct Answer: Yes
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