Mechanical Operations Which of the following is not a wet classifier? None of these Hydrocyclones Dorr Oliver rake classifier Sharpies supercentrifuge None of these Hydrocyclones Dorr Oliver rake classifier Sharpies supercentrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the __________ crushing. Ultrafine Primary Secondary Fine Ultrafine Primary Secondary Fine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Trommels separate a mixture of particles depending on their Density Size Wettability Electrical & magnetic properties Density Size Wettability Electrical & magnetic properties ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen capacity is proportional to (where, S = screen aperture) √S S² 1/S S √S S² 1/S S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a turbine agitated and baffled tank, operating at low Reynold's number (based on impeller diameter), the power number (Np) varies with NRe as Np → constant Np ∝ 1/NRe Np ∝ √NRe Np ∝ NRe Np → constant Np ∝ 1/NRe Np ∝ √NRe Np ∝ NRe ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vibrating screens have capacity in the range of __________ tons/ft² .mm mesh size. 5 to 25 0.2 to 0.8 50 to 100 100 to 250 5 to 25 0.2 to 0.8 50 to 100 100 to 250 ANSWER DOWNLOAD EXAMIANS APP
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