Production Engineering problems
- 1. In machining metal, cutting force at the cutting edge is measured by a
Options- A. wattmeter
- B. dynamometer
- C. hydrometer
- D. pyrometer Discuss
Correct Answer: dynamometer
- 2. 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
Correct Answer: geometric progression
- 3. The tailstock set over required to turn a taper on the entire length of a workpiece having diameters D and d is
Options- A.
- B.
- C.
- D. D - d Discuss
Correct Answer:
- 4. In ultra-sonic machining, tool is made of
Options- A. tungsten carbide
- B. brass or copper
- C. diamond
- D. stainless steel Discuss
Correct Answer: brass or copper
- 5. In oblique cutting system, the tool may or may not generate a surface parallel to the workface.
Options- A. Yes
- B. No Discuss
Correct Answer: Yes
- 6. Mild steel during machining produces __________ chips.
Options- A. continuous
- B. discontinuous Discuss
Correct Answer: continuous
- 7. The chamfering is an operation of
Options- A. bevelling the extreme end of a workpiece
- B. embossing a diamond shaped pattern on the surface of a workpiece
- C. reducing the diameter of a workpiece over a very narrow surface
- D. enlarging the end of a hole cylindrically Discuss
Correct Answer: bevelling the extreme end of a workpiece
- 8. The process of removing metal by a cutter which is rotated in the same direction of travel of workpiece, is called
Options- A. up milling
- B. down milling
- C. face milling
- D. end milling Discuss
Correct Answer: down milling
- 9. Soft materials can not be economically ground due to
Options- A. high temperature involved
- B. frequent wheel clogging
- C. rapid wheel wear
- D. low work piece stiffness Discuss
Correct Answer: frequent wheel clogging
- 10. Small nose radius
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
Correct Answer: results in excessive stress concentration and greater heat generation
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