Discussion
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- Question
The grinding of long, slender shafts or bars is usually done by
Options- A. infeed grinding
- B. through feed grinding
- C. endfeed grinding
- D. any one of these
- Correct Answer
- through feed grinding
- 1. In twist fluted drills, chips do not move out automatically.
Options- A. Correct
- B. Incorrect Discuss
- 2. The hard grade grinding wheels are denoted by the letters
Options- A. A to H
- B. I to P
- C. Q to Z
- D. A to P Discuss
- 3. In American Standard Association (A S A) system, if the tool nomenclature is 8-6-5-5-10-15-2 mm, then the side rake angle will be
Options- A. 5°
- B. 6°
- C. 8°
- D. 10° Discuss
- 4. The angle formed by the leading edge of the land with a plane having the axis of the drill, is called
Options- A. helix or rake angle
- B. point angle
- C. chisel edge angle
- D. lip clearance angle Discuss
- 5. The process of removing metal by a cutter which is rotated against the direction of travel of workpiece, is called
Options- A. up milling
- B. down milling
- C. face milling
- D. end milling Discuss
- 6. The tool may fail due to
Options- A. cracking at the cutting edge due to thermal stresses
- B. chipping of the cutting edge
- C. plastic deformation of the cutting edge
- D. all of these Discuss
- 7. If the shear angle is large and the chip-tool contact area is low, then the tool life will be more.
Options- A. Correct
- B. Incorrect Discuss
- 8. As the cutting speed increases, the tool cutting forces
Options- A. remain constant
- B. increases
- C. decreases
- D. first increases and then decreases Discuss
- 9. In machining metal, cutting force at the cutting edge is measured by a
Options- A. wattmeter
- B. dynamometer
- C. hydrometer
- D. pyrometer Discuss
- 10. A feed gear box for a screw cutting lathe is designed on the basis of
Options- A. geometric progression
- B. arithmetic progression
- C. harmonic progression
- D. none of these Discuss
Production Engineering problems
Search Results
Correct Answer: Incorrect
Correct Answer: Q to Z
Correct Answer: 6°
Correct Answer: helix or rake angle
Correct Answer: up milling
Correct Answer: all of these
Correct Answer: Correct
Correct Answer: decreases
Correct Answer: dynamometer
Correct Answer: geometric progression
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