Mechanical Operations Addition of filter aid to the slurry before filtration is done to ...... of the cake. Decrease the compressibility co-efficient Decrease the porosity Increase the porosity Increase the compressibility co-efficient Decrease the compressibility co-efficient Decrease the porosity Increase the porosity Increase the compressibility co-efficient ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable equipment for the transportation of 200 mesh size particles is a Bucket elevator Pneumatic conveyor Screw conveyor Belt conveyor Bucket elevator Pneumatic conveyor Screw conveyor Belt conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge Increases linearly Remains constant Decreases Increases Increases linearly Remains constant Decreases Increases 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? Vacuum filter Sand bed filter Plate and frame filter press Batch basket centrifuge Vacuum filter Sand bed filter Plate and frame filter press Batch basket centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of grinding in a ball mill Its capacity decreases with increasing fineness of the products All of these Grinding cost and power requirement increases with increasing fineness of the products Wet grinding achieves a finer product size than dry grinding Its capacity decreases with increasing fineness of the products All of these Grinding cost and power requirement increases with increasing fineness of the products Wet grinding achieves a finer product size than dry grinding ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a classifier in 'tons of solid/hr' is given by (where, A = cross-sectional area, m² V = rising velocity of fluid, m/sec.S = percentage of solids in the suspension by volume.ρ = density of solids, kg/m³) 3.6 A.V.ρ 3.6 A.S. ρ 3.6 AVS/ρ 3.6 AVS.ρ 3.6 A.V.ρ 3.6 A.S. ρ 3.6 AVS/ρ 3.6 AVS.ρ ANSWER DOWNLOAD EXAMIANS APP