Mass Transfer For gas absorption, low viscosity solvents are preferred, because of their Low pumping pressure drop Better flow characteristics Rapid absorption rates All of these Low pumping pressure drop Better flow characteristics Rapid absorption rates All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Make up water is supplied during cooling tower operation to compensate for water losses due to Blowdown Evaporation All of these Entrainment Blowdown Evaporation All of these Entrainment ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the mutual solubility of two liquids Increases Remains unchanged Decreases Decreases exponentially Increases Remains unchanged Decreases Decreases exponentially ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular seives are porous None of these Silica Synthetic zeolites crystals/metal alumino-silicates Alumina None of these Silica Synthetic zeolites crystals/metal alumino-silicates Alumina ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption with exothermic reaction, for fluids having 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 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 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? No Yes ; but height of cooling tower will be prohibitively high Yes ; but the air flow rate should be excessively high Yes No Yes ; but height of cooling tower will be prohibitively high Yes ; but the air flow rate should be excessively high Yes ANSWER DOWNLOAD EXAMIANS APP
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