Discussion
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- Question
Which of the following parameters govern the value of shear angle in continuous chip formation?
Options- A. True feed
- B. Chip thickness
- C. Rake angle of the cutting tool
- D. all of these
- Correct Answer
- all of these
- 1. Tool life is measured by the
Options- A. number of pieces machined between tool sharpenings
- B. time the tool is in contact with the job
- C. volume of material removed between tool sharpenings
- D. all of the above Discuss
- 2. The lip clearance angle should decrease towards the centre of the drill than at the circumference.
Options- A. Yes
- B. No Discuss
- 3. The factor considered for evaluation of machinability is
Options- A. cutting forces and power consumption
- B. tool life
- C. type of chips and shear angle
- D. all of these Discuss
- 4. The plunge grinding requires very __________ speed.
Options- A. high
- B. low Discuss
- 5. The tool life in case of a grinding wheel is the time
Options- A. between two successive regrinds of the wheel
- B. taken for the wheel to be balanced
- C. taken between two successive wheel dressings
- D. taken for a wear of 1 mm on its diameter Discuss
- 6. For turning internal tapers, the suitable method is
Options- A. by a form tool
- B. by setting over the tail stock
- C. by a taper turning attachment
- D. by swivelling the compound rest Discuss
- 7. 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
Options- A. doubled
- B. halved
- C. quadrupled
- D. unchanged Discuss
- 8. The correct sequence of the following parameters in order of their maximum to minimum influence on tool life is
Options- A. feed rate, depth of cut, cutting speed
- B. depth of cut, cutting speed, feed rate
- C. cutting speed, feed rate, depth of cut
- D. feed rate, cutting speed, depth of cut Discuss
- 9. For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is
Options- A. 10 m/min
- B. 15 m/min
- C. 22 m/min
- D. 30 m/min Discuss
- 10. An open structure of a grinding wheel is denoted by the number 1 to 8.
Options- A. Correct
- B. Incorrect Discuss
Production Engineering problems
Search Results
Correct Answer: all of the above
Correct Answer: No
Correct Answer: all of these
Correct Answer: low
Correct Answer: taken between two successive wheel dressings
Correct Answer: by a taper turning attachment
Correct Answer: doubled
Correct Answer: cutting speed, feed rate, depth of cut
Correct Answer: 22 m/min
Correct Answer: Incorrect
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