______________ are used for the separation of coarse particles from a slurry of fine particles?
A. Thickeners
B. Classifiers
C. Hydrocyclones
D. Decanters
A. Thickeners
B. Classifiers
C. Hydrocyclones
D. Decanters
A. Enhanced production rate
B. Finer products
C. Both A. & B.
D. Neither A. nor B.
Use of grinding aids results in the ___________________? Read More »
Mechanical Operations A. 35
B. 50
C. 70
D. 85
A. Density separation
B. Differential wettability
C. Size
D. Volatile matter content
A. (1/2π). √(g/r)
B. (1/π). √(g/r)
C. ½ √(g/r)
D. 2π. √(g/r)
A. 1
B. 1.5
C. 2
D. 2.5
A. Plate and frame filter
B. Rotary vacuum filter
C. Batch basket centrifuge
D. None of these
Removal of activated carbon from glycerine is done by _________________? Read More »
Mechanical Operations A. Bag filter
B. Electrostatic precipitator
C. Cyclone separator
D. Wet scrubber
A. Cleaning of coal
B. Concentration of iron ore
C. Concentration of pyrites
D. Water treatment
Chance process is used for the________________? Read More »
Mechanical Operations A. Constant rate
B. Varying pressure
C. Varying rate
D. Constant pressure