Production Engineering problems
- 1. In up milling, the thickness of chip is
Options- A. minimum at the beginning of the cut and maximum at the end of the cut
- B. maximum at the beginning of the cut and minimum at the end of the cut
- C. uniform throughout the cut
- D. none of these Discuss
Correct Answer: minimum at the beginning of the cut and maximum at the end of the cut
- 2. Internal gears can be made by
Options- A. hobbing
- B. shaping with pinion cutter
- C. shaping with rack cutter
- D. milling Discuss
Correct Answer: shaping with pinion cutter
- 3. In hot machining, tool is made of
Options- A. tungsten carbide
- B. brass or copper
- C. diamond
- D. stainless steel Discuss
Correct Answer: tungsten carbide
- 4. A fixture does not guide the tool.
Options- A. Correct
- B. Incorrect Discuss
Correct Answer: Correct
- 5. In the relation VTn = C, the value of n for carbide tools is
Options- A. 0.1 to 0.2
- B. 0.20 to 0.25
- C. 0.25 to 0.40
- D. 0.40 to 0.55 Discuss
Correct Answer: 0.20 to 0.25
- 6. If the diameter of the hole is subject to considerable variation, then for locating in jigs and fixtures, the pressure type of locator used is
Options- A. conical locator
- B. cylindrical locator
- C. diamond pin locator
- D. vee locator Discuss
Correct Answer: conical locator
- 7. A fine grained grinding wheel is used to grind hard materials.
Options- A. Correct
- B. Incorrect Discuss
Correct Answer: Correct
- 8. Which of the following statement is incorrect with reference of lathe cutting tools?
Options- A. The flank of the tool is the surface or surfaces below and adjacent to the cutting edges
- B. The nose is the corner, arc or chamfer joining the side cutting and the end cutting edges
- C. The heel is that part of the tool which is shaped to produce the cutting edges and face
- D. The base is that surface of the shank which bears against the support and takes tangent pressure of the cut Discuss
Correct Answer: The heel is that part of the tool which is shaped to produce the cutting edges and face
- 9. In order to prevent tool from rubbing the work __________ on tools are provided.
Options- A. rake angles
- B. relief angles Discuss
Correct Answer: relief angles
- 10. Crater wear occurs mainly on the
Options- A. nose part, front relief face and side relief face of the cutting tool
- B. face of the cutting tool at a short distance from the cutting edge only
- C. cutting edge only
- D. front face only Discuss
Correct Answer: face of the cutting tool at a short distance from the cutting edge only
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