Calculation of mass transfer co-efficient is mostly/normally done using ______________ theory?
A. Surface renewal
B. Film
C. Penetration
D. None of these
A. Surface renewal
B. Film
C. Penetration
D. None of these
A. Thermal decomposition of bottoms
B. Increased relative volatility
C. Erosion of the tower
D. Very efficient operation
A. Spray dryer
B. Drum dryer
C. Rotary dryer
D. Dielectric dryer
A. Form a low boiling azeotrope with one of the constituents of the mixture
B. Form a new azeotrope of low relative volatility with one of the constituents of the mixture
C. Have high latent heat of vaporisation
D. Have high viscosity to provide high tray efficiency
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
A. Steady state equimolar counter diffusion
B. Fick’s first law of diffusion
C. Steady state diffusion for stagnant case
D. Liquid M.T.C. by penetration theory
A. More than liquid composition
B. Less than liquid composition
C. Same as liquid composition
D. Independent of pressure