A. Sharpies super-centrifuge
B. Hydrocyclones
C. Dorr Oliver rake classifier
D. None of these
A. Separation efficiency
B. Selectivity index
C. Concentration ratio
D. None of these
A. Coarse
B. Fine
C. Colloidal
D. Dissolved
A. Is defined as the ratio of surface area of a sphere having the same volume as the particle to the
actual surface area of the particle
B. Has the dimension of length
C. Is always less than 1
D. Is the ratio of volume of a sphere having the same surface area as the particle to the actual
volume of the particle
A. Mass
B. Volume
C. Arithmetic
D. Volume surface
A. Gyratory crusher
B. Ball mill
C. Tube mill
D. Squirrel-cage disintegrator
A. π = (A/D2)
B. π/6 = (V/D3)
C. AD/V
D. None of these