Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty ?

Related Mcqs:

The equation, NA = (DAB . Pt /RTZ . PBM) (PA1 – PA2) is for_______________________?

A. Fick’s second law of diffusion B. Steady state diffusion for stagnant case C. Liquid M.T.C. by Higbie penetration theory D. None of these...

With increase in the mass velocity of the gas, the rate of drying during the constant rate period ______________, if the conduction and radiation through the solid are negligible ?

A. Increases B. Decreases C. Remain same D. Increases linearly...

With increase in temperature, the leaching rate increases because of the _____________________?

A. Increased diffusivity B. Decreased viscosity of liquid C. Both A. and B. D. Neither A. nor B....

The wet and ‘dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be ______________ °C ?

A. 25 B. > 25 C. < 25 D. – 25...

Which is not concerned directly with mass transfer ?

A. Schmidt number B. Sherwood number C. Lewis relationship D. Froude number...