The hardness of a grinding wheel is determined by the

1.	The hardness of a grinding wheel is determined by the
A.	Hardness of abrasive grains
B.	Ability of the bond to retain abrasives
C.	Hardness of the bond
D.	Ability of the grinding wheel to penetrate the work piece
Answer» C. Hardness of the bond

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The hardness of a grinding wheel is determined by the

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