A. Electromagnets
B. Cams or eccentric shafts
C. Unbalanced flywheels
D. Either A., B. or C.
A. m/ρ . Vp
B. m . ρ/Vp
C. m . Vp/ρ
D. Vp/m . ρ
A. Mass
B. Arithmetic
C. Volume-surface
D. Geometric
A. Employ a steel shell having L/D ratio of 1.5 to 3.0
B. Is useful for handling sticky materials
C. Employ steel rods of 2-12 cms diameter extending over full length of the mill
D. All A , B & C
A. 0.1 to 2
B. 5 to 10
C. 20 to 25
D. 50 to 70
A. Horizontal
B. No
C. Only two
D. None of these
A. Pressure filter
B. Vacuum filter
C. Centrifugal filter
D. Coagulant
A. Crushing takes place by impact breaking
B. Maximum acceptable feed size is 30 cms
C. Reduction ratio can be varied by adjusting the distance from cage to hammers
D. All A., B. and C.
A. Recovery/rejection
B. Recovery
C. Rejection
D. None of these
A. Flight
B. Slat or drag
C. Ribbon
D. Screw