Mass Transfer During the constant rate period of drying of a solid, Increasing the air temperature decreases the drying rate Surface evaporation of unbound moisture occurs Increased air humidity decreases the rate of drying None of these Increasing the air temperature decreases the drying rate Surface evaporation of unbound moisture occurs Increased air humidity decreases the rate of drying None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in Both A & B Viscosity with concentration Degree of ideality of the solution Neither A nor B Both A & B Viscosity with concentration Degree of ideality of the solution Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The most common packing used in industrial operations is __________ rings. Cross-partition Raschig Lessing Single spiral Cross-partition Raschig Lessing Single spiral 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 For absorbing a sparingly soluble gas in a liquid Liquid side mass transfer co-efficient should be increased Liquid side mass transfer co-efficient should be decreased Mass transfer co-efficient must be kept constant Gas side mass transfer co-efficient should be increased Liquid side mass transfer co-efficient should be increased Liquid side mass transfer co-efficient should be decreased Mass transfer co-efficient must be kept constant Gas side mass transfer co-efficient should be increased ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be ≤ 1 1 < 1 > 1 ≤ 1 1 < 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
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