Mass Transfer The value of NA/(NA + NB) for steady state molecular diffusion of gas 'A' through non-diffusing gas 'B' is 2 0.5 ∞ 1 2 0.5 ∞ 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Very tall packed towers are divided into series of beds to Avoid flooding Avoid channelling Reduce liquid hold-up Reduce the overall pressure drop Avoid flooding Avoid channelling Reduce liquid hold-up Reduce the overall pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The efficiency of a plate column will be maximum, when the flow is ideal __________ the plate. Both A & B Neither A nor B Above Across Both A & B Neither A nor B Above Across ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following provides maximum contact surface for a liquid-vapour system? Bubble-cap plate column Packed tower Seive-plate column Wetted wall column Bubble-cap plate column Packed tower Seive-plate column Wetted wall column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Bollman extractor Is a centrifugal extractor Employs only counter-current extraction Is used for extraction of oil from oilseed Is a static bed leaching equipment Is a centrifugal extractor Employs only counter-current extraction Is used for extraction of oil from oilseed Is a static bed leaching equipment 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) 50 1000 100 500 50 1000 100 500 ANSWER DOWNLOAD EXAMIANS APP
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