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 ∝ √NRe Np ∝ 1/NRe Np → constant Np ∝ NRe Np ∝ √NRe Np ∝ 1/NRe Np → constant Np ∝ NRe ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a __________ surface. Curved Ribbed Either A or B Plane Curved Ribbed Either A or B Plane ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During size reduction by a jaw crusher, the energy consumed decreases with the Decreasing size of product at constant size of feed None of these Increasing size of feed at constant reduction ratio Decreasing machine capacity Decreasing size of product at constant size of feed None of these Increasing size of feed at constant reduction ratio Decreasing machine capacity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable filter for separation of abrasive solids suspended in a corrosive liquid? Plate and frame filter press Vacuum filter Batch basket centrifuge Sand bed filter Plate and frame filter press Vacuum filter Batch basket centrifuge Sand bed filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations There is practically no alternative/competitor to __________ in the beneficiation treatment of sulphide ores. Classification Jigging Tabling Froth floatation Classification Jigging Tabling Froth floatation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grinding efficiency of a ball mill is of the order of __________ percent. 40-50 75-80 90-95 43835 40-50 75-80 90-95 43835 ANSWER DOWNLOAD EXAMIANS APP
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