Mass Transfer Unsaturated air (with dry bulb and wet bulb temperatures being 45°C and 25°C respectively) is passed through a water spray chamber maintained at 23°C. The air will be cooled and Dehumidified Humidified with wet bulb temperature decreasing None of these Humidified at constant wet bulb temperature Dehumidified Humidified with wet bulb temperature decreasing None of these Humidified at constant wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Smoke is an example of Solid dispersed in liquid Solid dispersed in gas Gas dispersed in liquid Liquid dispersed in gas Solid dispersed in liquid Solid dispersed in gas Gas dispersed in liquid Liquid dispersed in gas 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 1 10 5 100 1 10 5 100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For __________ drying, the effects of velocity, temperature and humidity of the gas and the thickness of the solid are the same. Both A & B Unsaturated surface Neither A nor B Constant rate Both A & B Unsaturated surface Neither A nor B Constant rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of None of these Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity Mass diffusivity to momentum diffusivity None of these Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity Mass diffusivity to momentum diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steady state equimolal counter diffusion is encountered in Absorption of NH₃ from air by water All of these All liquid-liquid diffusion systems Separation of a binary mixture by distillation Absorption of NH₃ from air by water All of these All liquid-liquid diffusion systems Separation of a binary mixture by distillation ANSWER DOWNLOAD EXAMIANS APP
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