Mass Transfer 'ADDUCTS' and 'CLATHRATES' are used in case of Crystallisation Absorption None of these Extractive distillation Crystallisation Absorption None of these Extractive distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Yes ; if the reflux ratio is maximum Normally not; but is possible if infinite number of plates are put Yes Never Yes ; if the reflux ratio is maximum Normally not; but is possible if infinite number of plates are put Yes Never ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Positive deviation from Raoult's law means a mixture whose total pressure is Less than that computed for ideality Greater than that computed for ideality Less than the sum of the vapour pressure of the components None of these Less than that computed for ideality Greater than that computed for ideality Less than the sum of the vapour pressure of the components None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase. Both A & B Gas Neither A nor B Liquid Both A & B Gas Neither A nor B Liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 2.5 0.0025 1.25 0.25 2.5 0.0025 1.25 0.25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An air-water vapour mixture has a dry bulb temperature of 60°C and a dew point temperature of 40°C. The total pressure is 101.3 kPa and the vapour pressure of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively.The humidity of air sample expressed as kg of water vapour/kg of dry air is 0.048 0.079 0.152 0.122 0.048 0.079 0.152 0.122 ANSWER DOWNLOAD EXAMIANS APP
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