| 1. | In a grinding wheel "grade" denotes the ? | |
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grain size
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types of abrasive
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hardness
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structure
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Report Question| 2. | A grinding wheel marked with 'C' is made with the abrasive ? | |
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aluminium oxide
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silicon carbide
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diamond
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corundum
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| 3. | Snagging is a process used to remove the metal by ? | |
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filling
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hacksawing
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chiselling
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grinding
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| 4. | What is the cause of a grinding wheel becoming glazed in a grinding machine ? | |
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grinding wheels grade is to shaft
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grinding wheels grade is too large
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feed and traverse are less
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grinding wheels speed is too high and work speed is low
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| 5. | The grade A-H of the grinding wheel represents ? | |
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the wheel from which abrasive grain can be easily dislodged
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the wheel from which abrasive grains are hard to dislodged
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refers to the abrasive particle size being big
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refers to the abrasive particle size being small
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| 6. | The structure of a grinding wheel are generally refer to as ? | |
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long and short
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dense and open
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brittle and tough
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bright and translucent
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| 7. | The grade of a grinding wheel refers to ? | |
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the hardness of the abrasive grains
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the hardness with which the wheel holds the grain in place
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refers to the type of abrasive material used
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none of the above
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| 8. | Which among the following abrasive is not artificial abrasive ? | |
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diamond
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corundum
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emery
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all of these
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| 9. | As per Indian standard the grain size '46' comes under the group ? | |
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coarse
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medium
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fine
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very fine
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| 10. | Balancing of wheel is done to ? | |
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makes the sides of the wheel parallel
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make the out side diameter concentric with the bore
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equalize the weight in every position of the wheel
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none of the above
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