Tray spacing in a distillation column of dia 10-12 ft. used in petroleum refinery may be around _____________ inches?

Related Mcqs:

_______________ equation applies to diffusivities in liquids?

A. Gilliland B. Hirschfelder C. Wilke and Chang D. None of these...

In case of cooling towers, the ratio of the rates of heat and mass transfer is indicated by the ______________ number ?

A. Lewis B. Grashoff C. Sherwood D. None of these...

The change in enthalpy, when a unit quantity of gas is absorbed by relatively large quantity of adsorbent (on which a definite concentration of the adsorbed gas already exists) is termed as the_________________?

A. Differential heat of adsorption B. Heat of wetting C. Integral heat of adsorption D. None of these...

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...

At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes_____________________?

A. 1 B. 0 C. ∞ D. None of these...