A. Gilliland
B. Toor and Marcello
C. Stefan
D. Fick
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Related Mcqs:
- Penetration model (theory) for mass transfer was enunciated by _____________________?
- A. Danckwerts B. Toor and Marcello C. Higbie D. Kissinevskii...
- Surface renewal model of mass transfer was enunciated by___________________?
- A. Toor and Marcello B. Fick C. Danckwerts D. Stefan...
- According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) ?
- A. D B. D2 C. D0.5 D. 1/D...
- Mass transfer co-efficient ‘K’ according to penetration theory varies with mass diffusivity as____________________?
- A. D0.5 B. D C. 1/D D. D1.5...
- Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and ‘t’ is time) ?
- A. (De.t)1/2 B. (De/t)1/2 C. (4De/πt)1/2 D. (4De/t)...
- Penetration theory relates the average mass transfer co-efficient (K) with diffusivity D. as____________________?
- A. K ∝D B. K ∝√D C. K ∝D1.5 D. K ∝D2...
- For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is___________________?
- A. Calculated B. Unknown C. Known D. Not required...
- JD factor for mass transfer is a function of Reynolds number. Mass transfer by molecular diffusion from a single drop to surrounding still air is given by___________________?
- A. Nsh = 2 B. Nst = 2 C. Nsc = 2 D. None of these...
- The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same system is_______________________?
- A. 100 B. 10 C. 5 D. 1...
- Mass transfer co-efficient (K) and diffusivity D. are related according to film theory as______________________?
- A. K ∝ D B. K ∝√D C. K ∝ D1.5 D. K ∝ D2...
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