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Production Engineering
Comments
Question
In hot machining, tool is made of
Options
A. tungsten carbide
B. brass or copper
C. diamond
D. stainless steel
Correct Answer
tungsten carbide
Production Engineering problems
Search Results
1. 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
2. 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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Discuss
Correct Answer: minimum at the beginning of the cut and maximum at the end of the cut
3. 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
4. A fixture is defined as a device which
Options
A. holds and locates a workpiece and guides and controls one or more cutting tools
B. holds and locates a workpiece during an inspection or for a manufacturing operation
C. is used to check the accuracy of workpiece
D. all of the above
Show Answer
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Correct Answer: holds and locates a workpiece during an inspection or for a manufacturing operation
5. In oblique cutting system, the maximum chip thickness occurs at the middle.
Options
A. Correct
B. Incorrect
Show Answer
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Discuss
Correct Answer: Incorrect
6. A fixture does not guide the tool.
Options
A. Correct
B. Incorrect
Show Answer
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Discuss
Correct Answer: Correct
7. 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
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Correct Answer: 0.20 to 0.25
8. 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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Correct Answer: conical locator
9. A fine grained grinding wheel is used to grind hard materials.
Options
A. Correct
B. Incorrect
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Discuss
Correct Answer: Correct
10. 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
Show Answer
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Discuss
Correct Answer: The heel is that part of the tool which is shaped to produce the cutting edges and face
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