Discussion
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- Question
Cutting fluid has no effect on the tool life.
Options- A. True
- B. False
- Correct Answer
- False
- 1. The type of reamer used for reaming operation in a blind hole, is
Options- A. straight fluted reamer
- B. left hand spiral fluted reamer
- C. right hand spiral fluted reamer
- D. any one of these Discuss
- 2. The size of a shaper is given by
Options- A. stroke length
- B. motor power
- C. mass of machine
- D. rate size Discuss
- 3. The trade name of a non-ferrous cast alloy composed of cobalt, chromium and tungsten is called
Options- A. ceramic
- B. stellite
- C. diamond
- D. cemented carbide Discuss
- 4. The purpose of jigs and fixtures is to
Options- A. increase machining accuracy
- B. facilitate interchangeability
- C. decrease expenditure on quality control
- D. all of these Discuss
- 5. The velocity of tool along the tool face is known as
Options- A. shear velocity
- B. chip velocity
- C. cutting velocity
- D. mean velocity Discuss
- 6. In a single point tool, the angle between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base, is known as
Options- A. side relief angle
- B. end relief angle
- C. back rake angle
- D. side rake angle Discuss
- 7. Which of the following statement is wrong?
Options- A. The diamond is the hardest tool material and can run at cutting speeds about 50 times that of high speed steel tool.
- B. The ceramic tools can be used at cutting speeds 40 times that of high speed steel tools.
- C. The cemented carbide tools can be used at cutting speeds 10 times that of high speed steel tools.
- D. The ceramic tools can withstand temperature upto 600°C only. Discuss
- 8. In centreless grinders, the maximum angular adjustment of the regulating wheel is
Options- A. 5°
- B. 10°
- C. 15°
- D. 20° Discuss
- 9. A set of eight form relieved milling cutters for each module is provided to enable cutting of gears of different
Options- A. materials
- B. types of gears
- C. number of teeth
- D. width of gears Discuss
- 10. The snag grinding is done
Options- A. to produce good surface finish and high degree of accuracy
- B. to remove considerable amount of metal without regard to accuracy of the finished surface
- C. to grind exterior cylindrical surfaces
- D. any one of the above Discuss
Production Engineering problems
Search Results
Correct Answer: right hand spiral fluted reamer
Correct Answer: stroke length
Correct Answer: stellite
Correct Answer: all of these
Correct Answer: chip velocity
Correct Answer: end relief angle
Correct Answer: The ceramic tools can withstand temperature upto 600°C only.
Correct Answer: 10°
Correct Answer: number of teeth
Correct Answer: to remove considerable amount of metal without regard to accuracy of the finished surface
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