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

Related Mcqs:

For the same system, if the same liquid used in an absorber is decreased, the tower height will__________________?

A. Increase B. Decrease C. Remain unaffected D. Decrease or increase; depends on the type of liquid...

In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of _______________ is zero?

A. Interface B. Gas phase C. Liquid phase D. All A , B. & C....

For a binary mixture with low relative volatility___________________?

A. Use steam distillation B. Use molecular distillation C. Use high pressure distillation D. An azeotrope may be formed during distillation...

Steady state temperature reached by a small amount of liquid evaporating into a large amount of unsaturated vapour-gas mixture is called the ________________ temperature?

A. Dry-bulb B. Wet-bulb C. Dew point D. Adiabatic saturation...

When both the fluids flow concurrently in an absorber, the slope of the operating line is____________________?

A. -ve B. +ve C. 1 D. -1...