A grinding wheel is said to be of __________ if the abrasive grains can be easily dislodged.

A grinding wheel is said to be of __________ if the abrasive grains ca

1.	A grinding wheel is said to be of __________ if the abrasive grains can be easily dislodged.
A.	soft grade
B.	medium grade
C.	hard grade
Answer» B. medium grade