Mass Transfer In a counter-current extractor, as the axial mixing increases, the extraction efficiency Increases Depends on the pressure of the system Decreases Remains unchanged Increases Depends on the pressure of the system Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An aqueous solution of methanol is to be distilled in a tray column. High pressure steam is available as a source of heat. For a given reflux ratio and overhead composition, two options are being explored; (i) a reboiler is used and (ii) no reboiler is used but steam is fed directly to the bottom of the column. As compared to option (i), in option (ii) Less number of trays are required More number of trays are required but the residue composition remains unchanged More number of trays are required and the residue composition is more dilute in methanol Composition of the residue remains unchanged Less number of trays are required More number of trays are required but the residue composition remains unchanged More number of trays are required and the residue composition is more dilute in methanol Composition of the residue remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In saturated gas, the Vapour is in equilibrium with the liquid at the gas temperature None of the listed here Partial pressure of vapour equals the vapour pressure of the liquid at room temperature Vapour is in equilibrium with the liquid at the room temperature Vapour is in equilibrium with the liquid at the gas temperature None of the listed here Partial pressure of vapour equals the vapour pressure of the liquid at room temperature Vapour is in equilibrium with the liquid at the room temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Large scale drying of sugar is done in a __________ dryer. Tray Spouted bed Rotary Truck Tray Spouted bed Rotary Truck ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following quantities need not be fixed before starting the design of a co-current absorber? Flow rate of gas Heat gain or loss None of the listed here Flow rate of entering liquid Flow rate of gas Heat gain or loss None of the listed here Flow rate of entering liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steady state temperature reached by a small amount of liquid evaporating into a large amount of unsaturated vapour-gas mixture is called the __________ temperature. Dew point Adiabatic saturation Wet-bulb Dry-bulb Dew point Adiabatic saturation Wet-bulb Dry-bulb ANSWER DOWNLOAD EXAMIANS APP
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