Mass Transfer For which of the following unit operations, Lewis number is of significance? Adsorption Gas absorption Binary distillation Humidification Adsorption Gas absorption Binary distillation Humidification ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Packed column distillation is limited to the column __________ metres. Diameter < 0.6 Neither A nor B Both A & B Height < 6 Diameter < 0.6 Neither A nor B Both A & B Height < 6 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following decreases during evaporative cooling process with recirculated water supply? None of these Partial pressure of vapour Relative humidity Wet bulb temperature None of these Partial pressure of vapour Relative humidity Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of these columns incurs the lowest pressure drop? Bubble plate column Packed column (with dumped packing) Packed column (with stacked packing) Pulse column Bubble plate column Packed column (with dumped packing) Packed column (with stacked packing) Pulse column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When an unsaturated air-water mixture is heated at constant pressure, then The specific humidity decreases The partial pressure of water vapour increases The relative humidity decreases The relative humidity increases The specific humidity decreases The partial pressure of water vapour increases The relative humidity decreases The relative humidity increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following mixtures does not form an azeotrope at atmosheric pressure? Butyl acetate-water None of these Water-alcohol Methyl alcohol-acetone Butyl acetate-water None of these Water-alcohol Methyl alcohol-acetone ANSWER DOWNLOAD EXAMIANS APP
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