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Production Engineering
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Question
The different spindle speeds on a lathe form
Options
A. arithmetical progression
B. geometrical progression
C. harmonical progression
D. any one of these
Correct Answer
geometrical progression
Production Engineering problems
Search Results
1. 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
2. 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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Correct Answer: It removes large amount of material.
3. 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°
4. Cemented carbide tool tips are produced by powder metallurgy.
Options
A. True
B. False
Show Answer
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Discuss
Correct Answer: True
5. 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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Correct Answer: machining the ends of a workpiece to produce a flat surface square with the axis
6. A single point thread cutting tool should ideally have
Options
A. zero rake angle
B. positive rake angle
C. negative rake angle
D. point angle
Show Answer
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Correct Answer: zero rake angle
7. The angle included between the two lips projected upon a plane parallel to the drill axis and paralled to the two cutting lips, is called helix angle.
Options
A. Correct
B. Incorrect
Show Answer
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Correct Answer: Incorrect
8. The method of grinding used to produce a straight or tapered surface on a workpiece, is
Options
A. internal cylindrical grinding
B. form grinding
C. external cylindrical grinding
D. surface grinding
Show Answer
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Correct Answer: external cylindrical grinding
9. Side rake angle on tools is provided to control chip flow.
Options
A. True
B. False
Show Answer
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Correct Answer: True
10. If the helix angle of the drill is made __________ 30°, then the torque required to drive the drill at a given feed will be more.
Options
A. equal to
B. less than
C. more than
Show Answer
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Correct Answer: less than
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