Mechanical Operations

A. Ratio of feed opening to discharge opening
B. Ratio of discharge opening to feed opening
C. Determining factor for minimum dia of the feed and the product
D. None of these

A. Compartment mill
B. Pebble mill
C. Cage mill
D. Rod mill

A. A high pressure filter
B. A continuous filter
C. Used for small scale filtration work
D. A leaf filter

A. Flocculation
B. Sedimentation
C. Filtration
D. None of these

A. S
B. 1/S
C. S2
D. √S

A. Its openings size
B. Screening mechanism
C. Screening surface
D. Atmospheric humidity

A. Roll crusher
B. Hammer crusher
C. Ball mill
D. Tube mill

A. c/s
B. s/c
C. s . c
D. 1/s . c

A. Rate
B. Pressure
C. Both A. & B.
D. Neither A. nor B.

A. Increases
B. Decreases
C. Remain constant
D. May increase or decrease; depends on the material being ground