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Question
In the relation
VT
n
=
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
Correct Answer
0.20 to 0.25
Production Engineering problems
Search Results
1. A fixture does not guide the tool.
Options
A. Correct
B. Incorrect
Show Answer
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Discuss
Correct Answer: Correct
2. In hot machining, tool is made of
Options
A. tungsten carbide
B. brass or copper
C. diamond
D. stainless steel
Show Answer
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Discuss
Correct Answer: tungsten carbide
3. Internal gears can be made by
Options
A. hobbing
B. shaping with pinion cutter
C. shaping with rack cutter
D. milling
Show Answer
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Discuss
Correct Answer: shaping with pinion cutter
4. 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
Show Answer
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Correct Answer: minimum at the beginning of the cut and maximum at the end of the cut
5. A round nose tool may be fed eitner from left to right end or from right to left end of the lathe bed.
Options
A. Yes
B. No
Show Answer
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Discuss
Correct Answer: Yes
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
Show Answer
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Discuss
Correct Answer: conical locator
7. A fine grained grinding wheel is used to grind hard materials.
Options
A. Correct
B. Incorrect
Show Answer
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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
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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
Show Answer
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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
Show Answer
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Discuss
Correct Answer: face of the cutting tool at a short distance from the cutting edge only
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