Discussion
Home ‣ Mechanical Engineering ‣ Production Engineering Comments
- Question
In ultra-sonic machining, tool is made of
Options- A. tungsten carbide
- B. brass or copper
- C. diamond
- D. stainless steel
- Correct Answer
- brass or copper
- 1. 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
- 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
- 3. In machining metal, cutting force at the cutting edge is measured by a
Options- A. wattmeter
- B. dynamometer
- C. hydrometer
- D. pyrometer Discuss
- 4. As the cutting speed increases, the tool cutting forces
Options- A. remain constant
- B. increases
- C. decreases
- D. first increases and then decreases Discuss
- 5. 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
- 6. In oblique cutting system, the tool may or may not generate a surface parallel to the workface.
Options- A. Yes
- B. No Discuss
- 7. Mild steel during machining produces __________ chips.
Options- A. continuous
- B. discontinuous Discuss
- 8. 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
- 9. 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
- 10. 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
Production Engineering problems
Search Results
Correct Answer:
Correct Answer: geometric progression
Correct Answer: dynamometer
Correct Answer: decreases
Correct Answer: Correct
Correct Answer: Yes
Correct Answer: continuous
Correct Answer: bevelling the extreme end of a workpiece
Correct Answer: down milling
Correct Answer: frequent wheel clogging
Comments
There are no comments.More in Mechanical Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.