A. Smooth roll crusher

B. Tube mill

D. Toothed roll crusher

A. Classifier

B. Cyclone separator between mill & classifier

D. Neither A. nor B.

A. Geometric

B. Arithmetic

D. Mass

B. Sedimentation

C. Elutriation

D. Clarification

A. Has a higher diameter/length ratio

B. Uses much larger balls

C. Produces a coarser product

B. Solids are not deposited at the edge of the disk

C. None of these

D. Disks have very sharp edge

A. cm/gm2

B. gm/gm

D. cm/gm

B. Clarifier

C. Sparkler filter

D. Vacuum leaf filter

A. 1/S

B. S2

D. ?S

A. A leaf filter

B. A continuous filter

C. A high pressure filter

A. Is 1.5 times that for coarser grinding

B. Decreases

C. Is same as for coarser grinding

B. None of these

C. The change in volume due to crushing

D. The size reduction ratio

B. None of these

C. Belt

D. Screw

A. s . c

B. 1/s . c

C. s/c

B. Filtration

C. Sedimentation

D. None of these

B. w2 . ?2 . ?L

C. w2 . R . ?L(R + 2?)

D. w2 . R2 . ?L

A. Dispersing gas in liquid

B. Suspending solid particles

C. Dispersing immiscible liquid in form of emulsion

B. 20-Oct

C. 20-40

D. 10-May

A. Embedded particles in the septum

B. Filter cloth

D. None of these

A. Squirrel-cage disintegrator

B. Ball mill

D. Tube mill

A. Pebble mill

B. Rod mill

C. Compartment mill

A. Iron core

B. Wheat

C. Talc

B. Run either at the same or different speeds

C. Are rotated towards each other

D. Have the same diameter

A. Drag conveyor

C. Ribbon conveyor

D. Flight conveyor

A. None of these

B. Increases

D. Decreases

A. Intermediate

B. Fine

D. Coarse

B. A/V

C. ?(AD/V)

D. D/V

B. Production rate at a given limiting size is lower

C. Specific surface of product is more

D. Product has lesser size uniformity

B. Non-metallic ores

C. Basic slags

D. Asbestos & mica

A. Apron

B. Screw

C. Helical flight

A. Screw

C. Belt

D. Flight

B. Gravity settling chamber

C. Venturi atomiser

D. Cyclone separator

A. Crushing rolls

B. Ball mill

C. Hammer mill

A. Jaw crushers

C. Smooth roll crushers

D. Gyratory crushers

B. 20 to 25

C. 5 to 10

D. 50 to 70

A. 22.1 ?m/s

C. 0.90 ?m/s

D. 0.02 ?m/s

A. Attrition

B. Impact

D. Neither A. nor B.

A. Plate and frame

C. Vacuum leaf

D. Rotary vacuum

A. Turbine agitator

C. Propeller agitator

D. Radial propeller agitator

A. Cotton fibres

B. Nylon fibres

D. Polyester fibres

A. Volume surface

C. Arithmetic

D. Mass

A. Rod mill

B. Ball mill

C. Fluid energy mill

A. Solid-liquid mixing

B. Liquid-liquid mixing

C. Suspension of solid in liquid

B. 0 to 1

C. ?

D. 0

A. Pebble

C. Compartment

D. All tumbling

A. 500

C. 100

D. 50

B. Screening mechanism

C. Screening surface

D. Its openings size

A. Ball mill

C. Roll crusher

D. Tube mill

A. Vacuum leaf

C. Plate and frame

D. Sparkler

A. Electrical & magnetic properties

B. Density

C. Wettability