1) The material which holds the fine grains of abrasive material in grinding wheel is called as
a. compound
b. bond
c. hold
d. none of the above
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Answer
Explanation
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ANSWER: bond
Explanation:
No explanation is available for this question!
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2) The grinding process results in good surface finishing because
a. the chip removed during the process is small
b. the process is carried out at high cutting speed
c. both a. and b.
d. none of the above
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Answer
Explanation
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ANSWER: both a. and b.
Explanation:
No explanation is available for this question!
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3) Rough grinding process is commonly used for
a. removing excess material from casting
b. cutting materials that are too hard to be machined by other conventional tools
c. producing surfaces on parts to higher dimensional accuracy
d. obtaining finer finish
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Answer
Explanation
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ANSWER: removing excess material from casting
Explanation:
No explanation is available for this question!
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4) Which process is used for grinding splined shafts?
a. External cylindrical grinding
b. Internal cylindrical grinding
c. Surface grinding
d. Form grinding
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Answer
Explanation
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ANSWER: Form grinding
Explanation:
No explanation is available for this question!
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5) Which of the following statements are true for centreless grinding?
1. Less metal needs to be removed in centreless grinding operation
2. The setup time for centreless grinding operation is small
3. The requirement of wheel adjustment in centreless grinding operation is minimum
4. The centreless grinding operation can be applied equally to both internal and external grinding
a. (1), (2) and (3)
b. (2), (3) and (4)
c. (1), (3) and (4)
d. (1), (2) and (4)
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Answer
Explanation
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ANSWER: (1), (3) and (4)
Explanation:
No explanation is available for this question!
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6) The performance of grinding wheel is evaluated in terms of grinding ratio (G) which is given by the ratio of
a. the volume of material required to the volume of wheel wear
b. the volume of wheel wear to the volume of material required
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Answer
Explanation
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ANSWER: the volume of material required to the volume of wheel wear
Explanation:
No explanation is available for this question!
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7) Which type of grinding wheel is shown in below diagram?
a. Dish wheel
b. Cup wheel
c. Saucer wheel
d. Cylinder wheel
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Answer
Explanation
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ANSWER: Saucer wheel
Explanation:
No explanation is available for this question!
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8) Which of the following is/are example/s of honing operation?
a. Roller bearing races
b. Diesel engine cylinder bore
c. Hub holes in gears of gear boxes
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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9) The productivity of honing operation is
a. less than the productivity of lapping operation
b. more than the productivity of lapping operation
c. equal to the productivity of lapping operation for the same workpiece
d. unpredictable
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Answer
Explanation
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ANSWER: more than the productivity of lapping operation
Explanation:
No explanation is available for this question!
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10) When the the finishing is more important than the dimension then
a. honing operation is carried out for finishing
b. lapping operation is carried out for finishing
c. grinding operation is carried out for finishing
d. all of the above
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Answer
Explanation
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ANSWER: lapping operation is carried out for finishing
Explanation:
No explanation is available for this question!
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