- (A) Impact
- (B) Attrition
- (C) Compression
- (D) Cutting
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- (A) P/m = K/ √Dp
- (B) P/m = K . ln D̅ sa/D̅ sb
- (C) P/m = K . (1/ D̅ sb – 1/D̅ sa)
- (D) None of these
- (A) Pebble
- (B) Compartment
- (C) Cage
- (D) Tube
- (A) Attrition
- (B) Compression
- (C) Cutting
- (D) None of these
- (A) Jaw crusher
- (B) Cone crusher
- (C) Impact crusher
- (D) Toothed roll crusher
- (A) Separation efficiency
- (B) Selectivity index
- (C) Concentration ratio
- (D) None of these
- (A) Crushing
- (B) Coarse grinding
- (C) Fine grinding
- (D) Attrition
- (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
