A. At time zero
B. At the end of filtration
C. When half the filtrate has been obtained
D. At the end of filtration, but decreases with time subsequently
A. Is suitable for mixing low viscosity liquids
B. Produces axial flow
C. Moves at very high speed
D. None of these
A. Work required to form a particle of any size is proportional to the square of the surface to
volume ratio of the product
B. Work required to form a particle of a particular size is proportional to the square root of the
surface to volume ratio of the product
C. Work required in crushing is proportional to the new surface created
D. For a given machine and feed, crushing efficiency is dependent on the size of the feed &
product
A. 0.0074 cm
B. 0.0074 mm
C. 0.0047 cm
D. 74 milli-microns
A. Requires more energy
B. Has less capacity
C. Complicates handling & classification of the product
D. None of these
A. Plate and frame filter
B. Cartridge filter
C. Shell and leaf filter
D. None of these
A. N°
B. N1
C. N2
D. N3
A. Smallest
B. Largest
C. Either A. or B.
D. Neither A. nor B.
A. Ball mill
B. Rod mill
C. Fluid energy mill
D. Jaw crusher
A. Kozeny-Carman equation
B. Leva’s equation
C. Blake-Plummer equation
D. None of these