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Production Engineering
Comments
Question
A twist drill is a
Options
A. side cutting tool
B. front cutting tool
C. end cutting tool
D. none of these
Correct Answer
end cutting tool
Production Engineering problems
Search Results
1. Grinding wheels should be tested for balance
Options
A. only at the time of manufacture
B. before starting the grinding operation
C. at the end of grinding operation
D. occasionally
Show Answer
Scratch Pad
Discuss
Correct Answer: occasionally
2. Lapping is an operation of
Options
A. making a cone-shaped enlargement of the end of a hole
B. smoothing and squaring the surface around a hole
C. sizing and finishing a small diameter hole
D. producing a hole by removing metal along the circumference of a hollow cutting tool
Show Answer
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Discuss
Correct Answer: sizing and finishing a small diameter hole
3. 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
4. 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
5. 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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Correct Answer: The heel is that part of the tool which is shaped to produce the cutting edges and face
6. Cast iron during machining produces
Options
A. continuous chips
B. discontinuous chips
C. continuous chips with built-up-edge
D. none of these
Show Answer
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Discuss
Correct Answer: discontinuous chips
7. In ultra-sonic machining, the metal is removed by
Options
A. using abrasive slurry between the tool and work
B. direct contact of tool with the work
C. maintaining an electrolyte between the work and tool in a very small gap between the two
D. erosion caused by rapidly recurring spark discharges between the tool and work
Show Answer
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Discuss
Correct Answer: using abrasive slurry between the tool and work
8. Gear lapping is an operation
Options
A. after heat treatment
B. prior to heat treatment
C. for gear reconditioning
D. none of these
Show Answer
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Discuss
Correct Answer: after heat treatment
9. In orthogonal cutting system, the maximum chip thickness occurs at the middle.
Options
A. Correct
B. Incorrect
Show Answer
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Discuss
Correct Answer: Correct
10. The facing 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. machining the ends of a workpiece to produce a flat surface square with the axis
Show Answer
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Discuss
Correct Answer: machining the ends of a workpiece to produce a flat surface square with the axis
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