A. Important in the beginning of filtration
B. Decreased with the time of filtration
C. Independent of pressure drop
D. None of these
A. Compartment
B. Tube
C. Rod
D. Pebble
A. AD/V
B. D/V
C. A/V
D. √(AD/V)
A. Metalliferous ores
B. Non-metallic ores
C. Basic slags
D. Asbestos & mica
A. Flight
B. Drag or slat
C. Belt
D. Ribbon
A. Rod mill
B. Fluid energy mill
C. Gyratory crusher
D. Ball mill
A. 0.90 μm/s
B. 1 μm/s
C. 22.1 μm/s
D. 0.02 μm/s
A. φs = 6 Vp/dpsp
B. φs = Vp/dpsp
C. φs = 6 dpSp/Vp
D. φs = dpSp/Vp
A. 0
B. 1
C. 0 to 1
D. ∞
A. Micronizers
B. Agitated mills and fluid energy mills
C. Toothed roll crusher
D. Hammer mills with internal classification