A. Entails less labor cost
B. Facilitates filtration under higher pressure
C. Provides more effective washing
D. All A., B. & C.
A. Run upto 1 km
B. Travel at a speed upto 300 metres/minute
C. Handle materials upto 5000 tons/hr
D. All A., B. and C.
A. Cage
B. Compartment
C. Pebble
D. All tumbling
A. Has a higher length/diameter ratio
B. Produces a coarser product
C. Has a higher diameter/length ratio
D. Uses much larger balls
A. Jigging
B. Tabling
C. Froth floatation
D. Elutriation
A. Separation of isotopes based on their density or molecular weights difference
B. Concentration of rubber latex
C. Separation of cream from milk
D. Dewaxing of lubricating oil
A. Calls for relatively less energy for the smaller product particles, than does the Rittinger law
B. Is less realistic in estimating the power requirements of commercial crushers
C. States that the work required to form particle of any size from very large feed is proportional
to the square root of the volume to surface ratio of the product
D. States that the work required for the crushing is proportional to the new surface created