Mass Transfer The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________ 2 3 1 4 2 3 1 4 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? Yes ; but the air flow rate should be excessively high Yes Yes ; but height of cooling tower will be prohibitively high No Yes ; but the air flow rate should be excessively high Yes Yes ; but height of cooling tower will be prohibitively high No ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusion is caused by the Transfer of molecules from low concentration to high concentration region Thermal energy of the molecules Potential energy of the molecules Activation energy of the molecules Transfer of molecules from low concentration to high concentration region Thermal energy of the molecules Potential energy of the molecules Activation energy of the molecules ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Reboiler is considered as one theoretical plate, because None of these Vapour is recycled to the column Reboiler itself contains one plate Of the assumption that vapour and liquid leaving the reboiler are in equilibrium None of these Vapour is recycled to the column Reboiler itself contains one plate Of the assumption that vapour and liquid leaving the reboiler are in equilibrium ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture with low relative volatility, An azeotrope may be formed during distillation Use steam distillation Use high pressure distillation Use molecular distillation An azeotrope may be formed during distillation Use steam distillation Use high pressure distillation Use molecular distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is Called integral heat of adsorption Equal to the heat of formation of surface compound Equal to the heat of wetting Zero Called integral heat of adsorption Equal to the heat of formation of surface compound Equal to the heat of wetting Zero ANSWER DOWNLOAD EXAMIANS APP
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