Discussion
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- Question
Any number of equal divisions can be obtained on milling machine by
Options- A. direct indexing
- B. simple indexing
- C. compound indexing
- D. differential indexing
- Correct Answer
- simple indexing
- 1. The factor responsible for the formation of continuous chips with built up edge is
Options- A. low cutting speed and large rake angle
- B. low cutting speed and small rake angle
- C. high cutting speed and large rake angle
- D. high cutting speed and small rake angle Discuss
- 2. The cutting speed is minimum while machining __________ with a high speed steel tool.
Options- A. cast iron
- B. mild steel
- C. brass
- D. aluminium Discuss
- 3. Which of the following parameters influence the axial feed rate in centreless grinding?
Options- A. Regulating wheel diameter
- B. Speed of the regulating wheel
- C. Angle between the axes of grinding and regulating wheels
- D. all of the above Discuss
- 4. Larger than 15° side cutting edge angle
Options- A. increases tool life
- B. decreases tool life
- C. produces chipping and decreases tool life
- D. results in excessive stress concentration and greater heat generation Discuss
- 5. For softer materials, the point angle of the drill is kept
Options- A. equal to 118°
- B. less than 118°
- C. more than 118°
- D. any one of these Discuss
- 6. In machining soft materials, a tool with negative relief angle is used.
Options- A. Correct
- B. Incorrect Discuss
- 7. The method of centreless grinding used to produce taper is
Options- A. infeed grinding
- B. through feed grinding
- C. endfeed grinding
- D. any one of these Discuss
- 8. 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
- 9. 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
- 10. 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
Production Engineering problems
Search Results
Correct Answer: low cutting speed and small rake angle
Correct Answer: cast iron
Correct Answer: all of the above
Correct Answer: produces chipping and decreases tool life
Correct Answer: less than 118°
Correct Answer: Correct
Correct Answer: endfeed grinding
Correct Answer: chip velocity
Correct Answer: all of these
Correct Answer: stellite
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