Mass Transfer Which of the following has the same dimension as mass diffusivity? Thermal diffusivity Momentum flux Both Momentum flux & Kinematic viscosity Kinematic viscosity Thermal diffusivity Momentum flux Both Momentum flux & Kinematic viscosity Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Tower diameter may be decreased by Increasing the vapour flow rate Use of increased tray spacing Increasing the liquid flow rate Using higher reflux ratio Increasing the vapour flow rate Use of increased tray spacing Increasing the liquid flow rate Using higher reflux ratio 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. Increases Remains same Either A or B; depends on the gas Decreases Increases Remains same Either A or B; depends on the gas Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The percentage humidity is less than the relative humidity only at __________ percent humidity. Both zero and hundred Hundred None of these Zero Both zero and hundred Hundred None of these Zero ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The ratio of Murphree plate efficiency to point efficiency is always > 1 in a __________ flow model. Perfectly mixed Plug None of the listed here Both plug & perfectly mixed Perfectly mixed Plug None of the listed here Both plug & perfectly mixed ANSWER DOWNLOAD EXAMIANS APP
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