A. Produces finer products
B. Is long in comparison with its diameter
C. Uses smaller balls
D. All A., B. & C.
A. Feed rate
B. Rotor speed
C. Clearance between hammer & grinding plates
D. All A., B. and C.
A. Hammer mills
B. Rod mills
C. Gyratory crushers
D. Crushing rolls
A. Its speed
B. Its ball load
C. The density of the material being ground
D. All A., B. and C.
A. 2
B. √2
C. 1.5
D. √3
A. Sedimentation
B. Flocculation
C. Dispersion
D. Centrifugation
A. Classification
B. Sedimentation
C. Clarification
D. Decantation
A. Weight
B. Volume
C. Either A. or B.
D. Neither A. nor B.
A. Blake jaw crusher
B. Cage mill
C. Stamp mill
D. Bradford’s breaker
A. Sharpies super-centrifuge
B. Hydrocyclones
C. Dorr Oliver rake classifier
D. None of these