Mass Transfer The operation involved when the soluble material is largely on the surface of an insoluble solid and is merely washed off by the solvent is called Elutriation or elution Decoction Percolation None of these Elutriation or elution Decoction Percolation None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Tea percolation employs Absorption None of these Liquid-liquid extraction Leaching Absorption None of these Liquid-liquid extraction Leaching ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusion in concentrated solutins differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution. Neither A nor B Viscosity Degree of ideality Both A & B Neither A nor B Viscosity Degree of ideality Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The interfacial area per unit volume of dispersion, in a gas-liquid contactor, for fractional hold up of gas = 0.1 and gas bubble diameter = 0.5 mm is given by (in m²/m³) 100 50 1000 500 100 50 1000 500 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a counter-current extractor, as the axial mixing increases, the extraction efficiency Increases Decreases Depends on the pressure of the system Remains unchanged Increases Decreases Depends on the pressure of the system Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of these columns incurs the lowest pressure drop? Bubble plate column Packed column (with stacked packing) Pulse column Packed column (with dumped packing) Bubble plate column Packed column (with stacked packing) Pulse column Packed column (with dumped packing) ANSWER DOWNLOAD EXAMIANS APP
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