Mass Transfer When an unsaturated air-water mixture is heated at constant pressure, then The relative humidity increases The relative humidity decreases The partial pressure of water vapour increases The specific humidity decreases The relative humidity increases The relative humidity decreases The partial pressure of water vapour increases The specific humidity decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate efficiency Increases due to foaming Is a function of the mass transfer between liquid and vapour Increases due to weeping and dumping of liquid Increases due to liquid entrainment Increases due to foaming Is a function of the mass transfer between liquid and vapour Increases due to weeping and dumping of liquid Increases due to liquid entrainment ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following remains constant during evaporative cooling process with recirculated water supply? Relative humidity Wet bulb temperature Partial pressure of vapour None of these Relative humidity Wet bulb temperature Partial pressure of vapour None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If a₁ and a₂ are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement. a₁ = 2a₂ a₁ = a₂ None of these a₁ = 0.5 a₂ a₁ = 2a₂ a₁ = a₂ None of these a₁ = 0.5 a₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If f is defined as above, then which of the following applies to a feed at dew point? 0 < f < 1 F < 1 F = 1 F > 1 0 < f < 1 F < 1 F = 1 F > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To remove all the moisture from a wet solid it requires exposure to __________ air. Perfectly dry None of these High temperature Highly humid Perfectly dry None of these High temperature Highly humid ANSWER DOWNLOAD EXAMIANS APP