Mechanical Operations If a force greater than that of gravity is used to separate solids & fluids of different densities, the process is termed as the Flocculation Dispersion Sedimentation Centrifugation Flocculation Dispersion Sedimentation Centrifugation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The mechanism of size reduction by a hammer mill is by impact and attrition between the Neither A nor B Feed particles Both A & B Grinding element & the housing Neither A nor B Feed particles Both A & B Grinding element & the housing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sedimentation on commercial scale occurs in Cyclones Thickeners Classifiers Rotary drum filters Cyclones Thickeners Classifiers Rotary drum filters ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reduction ratio of crushers is the None of these Ratio of discharge opening to feed opening Ratio of feed opening to discharge opening Determining factor for minimum dia of the feed and the product None of these Ratio of discharge opening to feed opening Ratio of feed opening to discharge opening Determining factor for minimum dia of the feed and the product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The filtrate flow rate in constant pressure filtration Continuously decreases Remains constant throughout Continuously increases May increase or decrease ; depends on the pressure Continuously decreases Remains constant throughout Continuously increases May increase or decrease ; depends on the pressure ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, the Rotor shaft carrying hammers can be vertical or horizontal Feed may be highly abrasive (Moh's scale >5) Maximum feed size may be 50 mm Minimum product size is 3 mm Rotor shaft carrying hammers can be vertical or horizontal Feed may be highly abrasive (Moh's scale >5) Maximum feed size may be 50 mm Minimum product size is 3 mm ANSWER DOWNLOAD EXAMIANS APP
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