Mass Transfer Very tall packed towers are divided into series of beds to Avoid channelling Avoid flooding Reduce the overall pressure drop Reduce liquid hold-up Avoid channelling Avoid flooding Reduce the overall pressure drop Reduce liquid hold-up ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following provides maximum contact surface for a liquid-vapour system? Seive-plate column Packed tower Bubble-cap plate column Wetted wall column Seive-plate column Packed tower Bubble-cap plate column Wetted wall column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In liquid-liquid extraction, the number of phases at plait point is 4 1 3 2 4 1 3 2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rate of mass transfer is not dependent upon the Interfacial surface exposed between the phases Both A & B None of these Degree of dispersion of one fluid in the other Interfacial surface exposed between the phases Both A & B None of these Degree of dispersion of one fluid in the other ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unsaturated air (with dry bulb temperature and dew point being 35°C and 18°C respectively) is passed through a water spray chamber maintained at 15°C. The air will be cooled And humidified At the same relative humidity And dehumidified with increase in wet bulb temperature And dehumidified with decrease in wet bulb temperature And humidified At the same relative humidity And dehumidified with increase in wet bulb temperature And dehumidified with decrease in wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the None of these Viscosity variation of the fluids may cause channeling/flooding Packing may be crushed due to thermal expansion/contraction of the components of the equipments Pressure drop in the equipment will be very high None of these Viscosity variation of the fluids may cause channeling/flooding Packing may be crushed due to thermal expansion/contraction of the components of the equipments Pressure drop in the equipment will be very high ANSWER DOWNLOAD EXAMIANS APP
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