A grinding wheel becomes glazed (i.e. cutting edge takes a glass-like

1.	A grinding wheel becomes glazed (i.e. cutting edge takes a glass-like appearance) due to
A.	Wear of bond
B.	Breaking of abrasive grains
C.	Wear of abrasive grains
D.	Cracks on grinding wheel
Answer» D. Cracks on grinding wheel

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A grinding wheel becomes glazed (i.e. cutting edge takes a glass-like appearance) due to

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