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Truing and Dressing

A grinding wh...

Question

A grinding wheel is said to be glazed if

A

grains have become blunt, but do not fall out

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B

gap between the grains is filled by swarf

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C

It becomes black due to burning

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D

part of the wheel is chipped off

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Solution

The correct option is A grains have become blunt, but do not fall out
grains have become blunt, but do not fall out

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