Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) D2 1/D D0.5 D D2 1/D D0.5 D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of gases, the binary diffusivity is proportional to (where, P = pressure) 1/√P 1/P P √P 1/√P 1/P P √P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At what percentage (by volume) of alcohol composition, it forms an azeotrope with water? 91.5 99 95 90 91.5 99 95 90 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative volatility varies with the concentration of component for an ideal solution. The relative volatity of a binary mixture may be defined as the ratio of vapor pressure of component 'A' to that of component 'B', when Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law Only liquid phase obeys Dalton's law Liquid phase obeys Dalton's law and vapor phase obeys Raoult's law Only vapor phase follows Raoult's law Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law Only liquid phase obeys Dalton's law Liquid phase obeys Dalton's law and vapor phase obeys Raoult's law Only vapor phase follows Raoult's law ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 3.97 600 0.24 1 3.97 600 0.24 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During dehumidification of unsaturated air wet bulb temperature & partial pressure of vapor are not constant. However, during evaporative cooling process with recirculated water supply, the __________ remains constant. Wet bulb temperature None of these Relative humidity Partial pressure of water vapor Wet bulb temperature None of these Relative humidity Partial pressure of water vapor ANSWER DOWNLOAD EXAMIANS APP
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