Discussion
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- Question
Thread grinding requires work speed from
Options- A. 1 to 3 m/min
- B. 5 to 10 m/min
- C. 10 to 14 m/min
- D. 14 to 20 m/min
- Correct Answer
- 1 to 3 m/min
- 1. The rear teeth of a broach
Options- A. perform burnishing operation
- B. remove minimum metal
- C. remove maximum metal
- D. remove no metal Discuss
- 2. In a shaper, the length of stroke is increased by
Options- A. increasing the centre distance of bull gear and crank pin
- B. decreasing the centre distance of bull gear and crank pin
- C. increasing the length of the arm
- D. decreasing the length of the slot in the slotted lever Discuss
- 3. The hardness of a grinding wheel is specified by
Options- A. Brinell hardness number
- B. Rockwel! hardness number
- C. Vickers pyramid number
- D. letter of alphabet Discuss
- 4. The type of tool used on lathe, shaper and planer is
Options- A. single point cutting tool
- B. two point cutting tool
- C. three point cutting tool
- D. multi-point cutting tool Discuss
- 5. Which of the following statement is correct for orthogonal cutting system?
Options- A. The cutting edge of the tool is perpendicular to the direction of tool travel.
- B. The cutting edge clears the width of the workpiece on either ends.
- C. The chip flows over the tool face and the direction of the chip flow velocity is normal to the cutting edge.
- D. all of the above Discuss
- 6. An important geometrical quantity in the cutting of metals which can be used as a criterion for machinability of metals is
Options- A. cutting speed
- B. feed rate
- C. shear angle
- D. tool geometry Discuss
- 7. As the cutting speed increases, tool life decreases.
Options- A. Yes
- B. No Discuss
- 8. Crater wear is predominant in
Options- A. carbon tool steels
- B. tungsten carbide tools
- C. high speed steel tools
- D. ceramic tools Discuss
- 9. The top and sides of the table of a shaper usually have
Options- A. L-type slots
- B. T-type slots
- C. I-type slots
- D. any one of these Discuss
- 10. The swing diameter over the bed is __________ the height of the centre measured from the bed of the lathe.
Options- A. equal to
- B. twice
- C. thrice
- D. one-half Discuss
Production Engineering problems
Search Results
Correct Answer: remove maximum metal
Correct Answer: increasing the centre distance of bull gear and crank pin
Correct Answer: letter of alphabet
Correct Answer: single point cutting tool
Correct Answer: all of the above
Correct Answer: shear angle
Correct Answer: Yes
Correct Answer: tungsten carbide tools
Correct Answer: T-type slots
Correct Answer: twice
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