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Mass Transfer

Mass Transfer
Langmuir equation is associated with

Adsorption
Multicomponent absorption
Leaching
Steam distillation

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Mass Transfer
During dehumidification of unsaturated air wet bulb temperature & partial pressure of vapor are not constant. However, during evaporative cooling process with recirculated water supply, the __________ remains constant.

Partial pressure of water vapor
Relative humidity
None of these
Wet bulb temperature

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Mass Transfer
_______ number indicates the ratio of the rates of the heat and mass transfer incase of a cooling tower.

Lewis
Stanton
Sherwood
Peclet

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Mass Transfer
The suitable evaporator for concentration of foaming liquids is a __________ evaporator.

Falling film
Long tube
Vacuum
Short tube

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Mass Transfer
The value of NA/(NA + NB), for steady state equimolal counter diffusion of two gases 'A' and 'B' is

0.5
∞
1
2

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Mass Transfer
Fenske equation determines the

Height of the distillation column
Optimum reflux ratio
Minimum number of theoretical plates
Maximum number of ideal plates

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