Mass Transfer Liquid diffusivity is of the order of __________ cm² /second. 10-5 to 10-6 0.1 0.01 > 1 10-5 to 10-6 0.1 0.01 > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The term "approach" in a cooling tower refers to the difference in the temperature of the Hot water entering and the cooled water leaving the cooling tower None of these Hot water entering the tower and the wet bulb temperature of the surrounding air Cold water leaving the tower and the wet bulb temperature of the surrounding air Hot water entering and the cooled water leaving the cooling tower None of these Hot water entering the tower and the wet bulb temperature of the surrounding air Cold water leaving the tower and the wet bulb temperature of the surrounding air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Drying operation under vacuum is carried out to Dry materials having high bound moisture content Dry those materials which have very high unbound mositure content Increase drying temperature Reduce drying temperature Dry materials having high bound moisture content Dry those materials which have very high unbound mositure content Increase drying temperature Reduce drying temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T³ √T T T² T³ √T T T² ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption with exothermic reaction, for fluids having Both A & B Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence Pr = Sc ; there won Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same Both A & B Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence Pr = Sc ; there won Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the air water system under ambient conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because Water has a high latent heat of evaporation Lewis number is close to unity They are always equal under all circumstances Solubility of the components of air in water is very small Water has a high latent heat of evaporation Lewis number is close to unity They are always equal under all circumstances Solubility of the components of air in water is very small ANSWER DOWNLOAD EXAMIANS APP
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