Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? Yes Yes ; but the air flow rate should be excessively high No Yes ; but height of cooling tower will be prohibitively high Yes Yes ; but the air flow rate should be excessively high No Yes ; but height of cooling tower will be prohibitively high ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the wrong statement. Raoult's law does not apply, when the Attractive forces between like and unlike molecules in the solution are approximately equal Component molecules are nonpolar Size of component molecules are not equal Chemical combination or molecular association between unlike molecules takes place in the formation of solution Attractive forces between like and unlike molecules in the solution are approximately equal Component molecules are nonpolar Size of component molecules are not equal Chemical combination or molecular association between unlike molecules takes place in the formation of solution ANSWER DOWNLOAD EXAMIANS APP
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 None of these Dehumidified Humidified at constant wet bulb temperature Humidified with wet bulb temperature decreasing None of these Dehumidified Humidified at constant wet bulb temperature Humidified with wet bulb temperature decreasing 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 Only liquid phase obeys Dalton's law Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law Liquid phase obeys Dalton's law and vapor phase obeys Raoult's law Only vapor phase follows Raoult's law Only liquid phase obeys Dalton's law Vapor phase obeys Dalton's law and liquid phase obeys Raoult'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 Priming in a distillation column Is characterised by the presence of foam throughout the space between trays Results from very low gas velocity Reduces the overall pressure drop Is desirable from point efficiency consideration Is characterised by the presence of foam throughout the space between trays Results from very low gas velocity Reduces the overall pressure drop Is desirable from point efficiency consideration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ temperature is the steady state temperature attained by a small amount of liquid evaporating into a large quantity of unsaturated gas-vapor mixture. Dew point None of these Dry bulb Wet bulb Dew point None of these Dry bulb Wet bulb ANSWER DOWNLOAD EXAMIANS APP
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