- (A) Diatomaceous earth
- (B) Fuller’s earth
- (C) Vermiculite
- (D) Semi-plastic clay
Exam preparation MCQs with answers
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- (A) Crushing takes place by impact breaking
- (B) Maximum acceptable feed size is 30 cms
- (C) Reduction ratio can be varied by adjusting the distance from cage to hammers
- (D) All
- (A) Recovery/rejection
- (B) Recovery
- (C) Rejection
- (D) None of these
- (A) Flight
- (B) Slat or drag
- (C) Ribbon
- (D) Screw
- (A) Np ∝ NRe
- (B) Np ∝ √NRe
- (C) Np → constant
- (D) Np ∝ 1/NRe
- (A) Tube mill
- (B) Ball mill
- (C) Jaw crusher
- (D) Jet pulveriser
- (A) Decreasing size of product at constant size of feed
- (B) Decreasing machine capacity
- (C) Increasing size of feed at constant reduction ratio
- (D) None of these
- (A) Bronze
- (B) Stainless steel
- (C) Flint or porcelain
- (D) Concrete
- (A) Clarification
- (B) Classification
- (C) Elutriation
- (D) Sedimentation
- (A) Propeller agitator
- (B) Cone type agitator
- (C) Turbine agitator
- (D) Radial propeller agitator
