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Mechanical Engineering - Production Engineering

Exercise : Production Engineering - Section 7
26.
Which of the following statement is correct in regard to centreless grinding?
The workpiece is supported throughout its entire length as grinding takes place.
It is a continuous process and adopted for production work.
It requires no holding device for the work.
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
The specific cutting energy used for establishing the machinability of the metal depends upon its
coefficient of friction
microstructure
work hardening characteristics
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
The form grinding is used to grind gear teeth, threads, splined shafts and holes.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Which of the following parameters govern the value of shear angle in continuous chip formation?
True feed
Chip thickness
Rake angle of the cutting tool
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
The relief or clearance at the cutting edge of a flat drill varies from
3° to 8°
20° to 30°
60° to 90°
90° to 120°
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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