Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ D K ∝ D1.5 K ∝ √D K ∝ D2 K ∝ D K ∝ D1.5 K ∝ √D K ∝ D2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Heat in BTU necessary to increase the temperature of 1 lb of gas and its accompanying vapour by 1°F is called the Sensible heat Humid heat Specific heat Latent heat Sensible heat Humid heat Specific heat Latent heat ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption. Always higher than Dependent on the system; can be either lower or higher than Same as Always lower than Always higher than Dependent on the system; can be either lower or higher than Same as Always lower than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following quantities need not be fixed before starting the design of a co-current absorber? Heat gain or loss Flow rate of entering liquid None of the listed here Flow rate of gas Heat gain or loss Flow rate of entering liquid None of the listed here Flow rate of gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer High pressure at the bottom of a distillation tower handling heat sensitive materials results in Erosion of the tower Very efficient operation Increased relative volatility Thermal decomposition of bottoms Erosion of the tower Very efficient operation Increased relative volatility Thermal decomposition of bottoms ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pore size of the molecular seive 5A is __________ mm. 0.5 5 50 0.05 0.5 5 50 0.05 ANSWER DOWNLOAD EXAMIANS APP
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