Mass Transfer The binary diffusivity in gases does not depend upon the Nature of the components Temperature None of the listed here Pressure Nature of the components Temperature None of the listed here Pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T T³ T² √T T T³ T² √T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 3 to 4 5 2.5 to 3 1.2 to 1.5 3 to 4 5 2.5 to 3 1.2 to 1.5 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 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 Only liquid phase obeys Dalton's law ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower. Bubble cap Packed Perforated tray Wetted wall Bubble cap Packed Perforated tray Wetted wall ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture distillation process, the degree of freedom is 2. However, if the pressure is fixed in this process, the number of independent variables in this process will be 2 1 3 2 1 3 ANSWER DOWNLOAD EXAMIANS APP