The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used. For general purpose cutter grinding __________ grinding wheel is normally used.%!

The softness or hardness of a grinding wheel depends upon the type & a

1.	The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used. For general purpose cutter grinding __________ grinding wheel is normally used.%!
A.	Hard
B.	Soft
C.	Silicon carbide
D.	Aluminium oxide
Answer» E.