Mass Transfer The fixed cost of a distillation column at minimum reflux ratio is Minimum Optimum None of these Infinite Minimum Optimum None of these Infinite ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In an operating distillation column, the Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column Highest temperature is encountered at the top of the column Vapors and liquids are at their dew point and bubble point respectively Driving force for the liquid flow is its specific weight Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column Highest temperature is encountered at the top of the column Vapors and liquids are at their dew point and bubble point respectively Driving force for the liquid flow is its specific weight ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To get high tray efficiency Interfacial surface between liquid and gas phase should be large Gas velocity should be very low Time of contact between the two phases should be less Liquid entrainment should be severe Interfacial surface between liquid and gas phase should be large Gas velocity should be very low Time of contact between the two phases should be less Liquid entrainment should be severe ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following quantities need not be fixed before starting the design of a co-current absorber? Heat gain or loss Flow rate of gas None of the listed here Flow rate of entering liquid Heat gain or loss Flow rate of gas None of the listed here Flow rate of entering liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The efficiency of a plate column will be maximum, when the flow is ideal __________ the plate. Above Both A & B Across Neither A nor B Above Both A & B Across Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C. -25 < 25 > 25 25 -25 < 25 > 25 25 ANSWER DOWNLOAD EXAMIANS APP
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