Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) 1/D D2 D D0.5 1/D D2 D D0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stefan's law describes the mass transfer by Diffusion Both A & B Bulk flow Neither A nor B Diffusion Both A & B Bulk flow Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process? Relative humidity of outlet air Temperature of the solid Flow rate of inlet air Humidity of inlet air Relative humidity of outlet air Temperature of the solid Flow rate of inlet air Humidity of inlet air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Azeotropic distillation is employed to separate High boiling mixture Constant boiling mixture Heat sensitive materials Mixture with very high relative volatility High boiling mixture Constant boiling mixture Heat sensitive materials Mixture with very high relative volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fractional solvent extraction None of the listed here Employs only one solvent Employs two solvents Results in low interfacial tension None of the listed here Employs only one solvent Employs two solvents Results in low interfacial tension ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at __________ reflux. Operating Maximum permissible Total Minimum Operating Maximum permissible Total Minimum ANSWER DOWNLOAD EXAMIANS APP