Mass Transfer Molecular diffusion is caused by the Thermal energy of the molecules Activation energy of the molecules Potential energy of the molecules Transfer of molecules from low concentration to high concentration region Thermal energy of the molecules Activation energy of the molecules Potential energy of the molecules Transfer of molecules from low concentration to high concentration region ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dry bulb temperature of unsaturated air is more than its __________ temperature. Neither A nor B Both A & B Dew point Wet bulb Neither A nor B Both A & B Dew point Wet bulb 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 Decreases Either A or B; depends on the gas Remains same Increases Decreases Either A or B; depends on the gas Remains same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Overall efficiency of the distillation column is The ratio of number of actual plates to ideal plates Same as the Murphree efficiency Always more than the point efficiency The ratio of number of ideal plates to actual plates The ratio of number of actual plates to ideal plates Same as the Murphree efficiency Always more than the point efficiency The ratio of number of ideal plates to actual plates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following employs an accessory known as 'drift eliminator' ? Rotary dryer Rotating disc contactor Multiple effect evaporator Mechanical draft cooling tower Rotary dryer Rotating disc contactor Multiple effect evaporator Mechanical draft cooling tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a single component absorber, the operating line is straight only when plotted in term of __________ units. Partial pressure Mole fraction Mole ratio None of these Partial pressure Mole fraction Mole ratio None of these ANSWER DOWNLOAD EXAMIANS APP