Mechanical Operations Separation of solid suspended in liquid into a supernatant clear liquid and a denser slurry employs a process termed as the Flocculation Coagulation Clarification Sedimentation Flocculation Coagulation Clarification Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Temperature of the product during ultrafine grinding Decreases May increase or decrease ; depends on the material being ground Increases Remains constant Decreases May increase or decrease ; depends on the material being ground Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Soft & non-abrasive materials can be made into fines by Cutting None of these Compression Attrition Cutting None of these Compression Attrition ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. Shape None of these Wettability Specific gravities Shape None of these Wettability Specific gravities ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a revolving mill, wet grinding compared to dry grinding Requires more energy None of these Complicates handling & classification of the product Has less capacity Requires more energy None of these Complicates handling & classification of the product Has less capacity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the Capacity of centrifuge is increased Linear speed of the basket is halved Centrifugal force is doubled Linear speed of the basket is doubled Capacity of centrifuge is increased Linear speed of the basket is halved Centrifugal force is doubled Linear speed of the basket is doubled ANSWER DOWNLOAD EXAMIANS APP