1) In metal cutting process
a. material removal is affected by relative motion between tool and the workpiece
b. material removal is not affected by relative motion between tool and the workpiece
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Answer
Explanation
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ANSWER: material removal is affected by relative motion between tool and the workpiece
Explanation:
No explanation is available for this question!
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2) The forces required for metal cutting operation
a. increase with increase in the feed of the tool and decreases with increase in the depth of cut
b. decrease with increase in the feed of the tool and increases with increase in the depth of cut
c. increase with increase in both the feed of the tool and the depth of cut
d. decrease with increase in both the feed of the tool and the depth of cut
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Answer
Explanation
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ANSWER: increase with increase in both the feed of the tool and the depth of cut
Explanation:
No explanation is available for this question!
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3) Calculate the power required for machining of a workpiece on lathe having efficiency of 85% on full load, when tangential force required is 1200 N and cutting speed 195 m/min.
a. 4.59 kW
b. 275.29 W
c. 3.315 kW
d. insufficient data
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Answer
Explanation
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ANSWER: 4.59 kW
Explanation:
No explanation is available for this question!
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4) The point at which the cutting tool reaches, beyond which it will not function satisfactorily until it is reground, is called as
a. tool wear
b. tool failure
c. too diffusion
d. none of the above
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Answer
Explanation
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ANSWER: tool failure
Explanation:
No explanation is available for this question!
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5) Which cutting condition affects the cutting temperature predominantly?
a. depth of cut
b. cutting speed
c. feed
d. none of the above has any effect on cutting temperature
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Answer
Explanation
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ANSWER: cutting speed
Explanation:
No explanation is available for this question!
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6) The cutting tool removes the metal from workpiece in the form of
a. solid blocks
b. powder
c. chips
d. all of the above
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Answer
Explanation
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ANSWER: chips
Explanation:
No explanation is available for this question!
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7) Which type of chips form while machining of brittle materials?
a. continuous chipsq
b. discontinuous chips
c. Built-up chips
d. all of the above with some proportion
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Answer
Explanation
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ANSWER: discontinuous chips
Explanation:
No explanation is available for this question!
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8) The angle between side cutting edge and end cutting edge is called as
a. approach angle
b. nose angle
c. side relief angle
d. end relief angle
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Answer
Explanation
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ANSWER: nose angle
Explanation:
No explanation is available for this question!
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9) In the metal cutting process, when the compression limit of the metal in front of the cutting tool has been exceeded then it is separated from workpiece and flows
a. elastically
b. plastically
c. rigidly
d. none of the above
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Answer
Explanation
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ANSWER: plastically
Explanation:
No explanation is available for this question!
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10) Continuous chips are formed during metal cutting operation due to
a. ductile work materials
b. large rake angle
c. high cutting speed
d. all of the above
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Answer
Explanation
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ANSWER: all of the above
Explanation:
No explanation is available for this question!
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