A. Coarse feed requires a larger ball
B. Fine feed requires a larger ball
C. Operating speed should be more than the critical speed
D. None of these
A. Apron conveyor
B. Belt conveyor
C. Screw conveyor
D. Bucket elevator
A. Bucket elevator
B. Pneumatic conveyor
C. Screw conveyor
D. Belt conveyor
A. Wet grinding in low viscous suspension
B. Wet grinding in high viscous suspension
C. Dry grinding of large particles (upto 1.25 cms)
D. Dry grinding of large particles in un-baffed mills
A. Tube mill
B. Ball mill
C. Jaw crusher
D. Jet pulveriser
A. Resistance decreases with time
B. Rate of filtration is constant
C. Rate of filtration increases with time
D. Rate of filtration decreases with time
A. Gravity separation
B. Wettability
C. Particle shape
D. None of these