For the case of flow of air past a wet bulb thermometer (air water vapour system), the approximate value of h2/ky.Cz is around____________________?

Related Mcqs:

Moisture content of a substance when at equilibrium with a given partial pressure of the vapour is called the _______________ moisture?

A. Free B. Unbound C. Equilibrium D. Bound...

Calculation of mass transfer co-efficient is mostly/normally done using ______________ theory?

A. Surface renewal B. Film C. Penetration D. None of these...

In case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is_________________?

A. Equal to the heat of formation of surface compound B. Equal to the heat of wetting C. Zero D. Called integral heat of adsorption...

Pick out the wrong statement?

A. Change in barometric pressure does not affect the relative humidity B. In case of a packed tower, the operating velocity is about half of the flooding velocity, generally C. ‘Elution’ means the desorption of the adsorbed solute by a solvent D. The equilibrium moisture content of the solid can be reduced by increasing the … Pick out the wrong statement?Read More...

Pick out the wrong statement ?

A. Constant pressure distillation cannot separate an Azeotropic mixture B. Relative volatility of a binary mixture changes appreciably with the minor change in temperature C. The relative volatility of a binary mixture at Azeotropic composition is unity D. Flash distillation is practised on wide spread scale in petroleum refinery...