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Production Engineering
Comments
Question
Gear lapping is an operation
Options
A. after heat treatment
B. prior to heat treatment
C. for gear reconditioning
D. none of these
Correct Answer
after heat treatment
Production Engineering problems
Search Results
1. 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
Scratch Pad
Discuss
Correct Answer: using abrasive slurry between the tool and work
2. 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
Scratch Pad
Discuss
Correct Answer: discontinuous chips
3. A twist drill is a
Options
A. side cutting tool
B. front cutting tool
C. end cutting tool
D. none of these
Show Answer
Scratch Pad
Discuss
Correct Answer: end cutting tool
4. 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
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Discuss
Correct Answer: occasionally
5. 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
6. 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
7. 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
8. Cemented carbide tool tips are produced by powder metallurgy.
Options
A. True
B. False
Show Answer
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Discuss
Correct Answer: True
9. The rake angle required to machine brass by high speed steel tool is
Options
A. 0°
B. 10°
C. 20°
D. -10°
Show Answer
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Discuss
Correct Answer: 0°
10. Which of the following statement is wrong about ultra-sonic machining?
Options
A. It is best suited for machining hard and brittle materials.
B. It cuts materials at very slow speeds.
C. It removes large amount of material.
D. It produces good surface finish.
Show Answer
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Discuss
Correct Answer: It removes large amount of material.
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