Mass Transfer Which of the following has the same dimension as mass diffusivity? Kinematic viscosity Momentum flux Both Momentum flux & Kinematic viscosity Thermal diffusivity Kinematic viscosity Momentum flux Both Momentum flux & Kinematic viscosity Thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer High pressure at the bottom of a distillation tower handling heat sensitive materials results in Very efficient operation Increased relative volatility Thermal decomposition of bottoms Erosion of the tower Very efficient operation Increased relative volatility Thermal decomposition of bottoms Erosion of the tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extractive distillation, solvent is Present in overhead stream Of high volatility Added to alter the relative volatility of the mixture Of high viscosity to give high tray efficiency Present in overhead stream Of high volatility Added to alter the relative volatility of the mixture Of high viscosity to give high tray efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a Higher dew point Higher relative humidity Higher absolute (specific) humidity Higher wet bulb temperature Higher dew point Higher relative humidity Higher absolute (specific) humidity Higher wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult's law is obeyed, then changing the feed composition would effect The product composition but not the fraction vaporised The fraction vaporised but not the product composition The product composition as well as the fraction vaporised Neither the product composition nor the fraction vaporised The product composition but not the fraction vaporised The fraction vaporised but not the product composition The product composition as well as the fraction vaporised Neither the product composition nor the fraction vaporised ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In an operating distillation column, the Driving force for the liquid flow is its specific weight 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 vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column Driving force for the liquid flow is its specific weight 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 vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column ANSWER DOWNLOAD EXAMIANS APP
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