Discussion
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- Question
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
- Correct Answer
- hardness of material being ground
- 1. 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
- 2. In hot machining, the work is heated by
Options- A. simple heating
- B. flame heating
- C. induction heating
- D. any one of these Discuss
- 3. 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
- 4. Which of the following statement is correct for oblique cutting system?
Options- A. The cutting edge is inclined at an angle less than 90° with the normal to the velocity of the tool.
- B. Frequently, more than one cutting edges are in action.
- C. The chip flows on the tool face at an angle less than 90° with the normal on the cutting edge.
- D. all of the above Discuss
- 5. For fast removal of materials during grinding, a __________ grinding wheel is used.
Options- A. coarse grained
- B. fine grained
- C. medium grained Discuss
- 6. The part of the tool on which cutting edge is formed is called nose.
Options- A. Correct
- B. Incorrect Discuss
- 7. A dense structure of a grinding wheel is used for
Options- A. hard materials
- B. brittle materials
- C. fnishing cuts
- D. all of these Discuss
- 8. 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
- 9. The helix angle of a drill is more than 30° for drilling aluminium.
Options- A. Agree
- B. Disagree Discuss
- 10. 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
Production Engineering problems
Search Results
Correct Answer: 0.40 to 0.55
Correct Answer: any one of these
Correct Answer: longitudinal feed
Correct Answer: all of the above
Correct Answer: coarse grained
Correct Answer: Incorrect
Correct Answer: all of these
Correct Answer: multi-point cutting tool
Correct Answer: Agree
Correct Answer: 1.32
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