Mass Transfer Weeping in a distillation column Results due to very high gas velocity Increases tray efficiency Results due to very low gas velocity Provides large interfacial surface for mass transfer Results due to very high gas velocity Increases tray efficiency Results due to very low gas velocity Provides large interfacial surface for mass transfer ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To remove all the moisture from a wet solid it requires exposure to __________ air. Highly humid Perfectly dry High temperature None of these Highly humid Perfectly dry High temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to Chilton-Colburn analogy for mass transfer, NSt.NSc2/3 is equal to F/2 2f 1/f F F/2 2f 1/f F ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is 10 1 100 5 10 1 100 5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following quantities need not be fixed before starting the design of a co-current absorber? None of the listed here Heat gain or loss Flow rate of gas Flow rate of entering liquid None of the listed here Heat gain or loss Flow rate of gas Flow rate of entering liquid 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 Latent heat Humid heat Specific heat Sensible heat Latent heat Humid heat Specific heat Sensible heat ANSWER DOWNLOAD EXAMIANS APP