Related Questions

The film penetration model of mass transfer was enunciated by
A Gilliland
B Toor and Marchello
C Stefan
D Fick
Surface renewal model of mass transfer was enunciated by
A Toor and Marchello
B Fick
C Danckwerts
D Stefan
Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as
A K ∝ D
B K ∝ $$\sqrt {\text{D}} $$
C K ∝ D1.5
D K ∝ D2
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 $$\frac{1}{{\text{D}}}$$
Who enunciated the laws of planetary motion?
A Nicolaus Copernicus
B Johannes Kepler
C Isaac Newton
D Galileo
Overall mass transfer co-efficient in case of absorption of __________ in water is based on the gas film co-efficient only, as the mass transfer process is gas film (phase) controlling.
A CO2
B SO2
C NH3
D None of these
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
The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called
A Humidity ratio
B Relative humidity
C Absolute humidity
D Degree of saturation
The DoD model (also called the TCP/IP stack) has four layers. Which layer of the DoD model is equivalent to the Network layer of the OSI model?
A Application
B Host to Host
C Internet
D Network Access
Mass transfer co-efficient is directly proportional to DAB according to the __________ theory.
A Film
B Penetration
C Surface-renewal
D None of these

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