Mechanical Operations The inlet pressure in a constant rate filtration Decreases gradually Increases continuously Remains constant None of these Decreases gradually Increases continuously Remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls? 0.5 1 0.66 2.76 0.5 1 0.66 2.76 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 0.33-0.45 0.5-2 1.5-2.5 1.33-1.45 0.33-0.45 0.5-2 1.5-2.5 1.33-1.45 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 In filtration, the use of 'filter aid' helps in Enhancing the cake porosity in case of a dense impermeable cake Reducing the filtration pressure Deplugging the filter medium Accelerating the rate of filtration Enhancing the cake porosity in case of a dense impermeable cake Reducing the filtration pressure Deplugging the filter medium Accelerating the rate of filtration ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The filtrate flow rate in constant pressure filtration Remains constant throughout Continuously decreases Continuously increases May increase or decrease ; depends on the pressure Remains constant throughout Continuously decreases Continuously increases May increase or decrease ; depends on the pressure ANSWER DOWNLOAD EXAMIANS APP
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