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Production Engineering
Comments
Question
In orthogonal cutting system, the maximum chip thickness occurs at the middle.
Options
A. Correct
B. Incorrect
Correct Answer
Correct
Production Engineering problems
Search Results
1. 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
2. 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
3. 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
4. A twist drill is a
Options
A. side cutting tool
B. front cutting tool
C. end cutting tool
D. none of these
Show Answer
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Discuss
Correct Answer: end cutting tool
5. 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
6. 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
7. Cemented carbide tool tips are produced by powder metallurgy.
Options
A. True
B. False
Show Answer
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Discuss
Correct Answer: True
8. 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°
9. 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.
10. When the cutting edge of the tool is dull, then during machining
Options
A. continuous chips are formed
B. discontinuous chips are formed
C. continuous chips with built-up edge are formed
D. no chips are formed
Show Answer
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Discuss
Correct Answer: continuous chips with built-up edge are formed
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