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Mass Transfer

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

1
∞
2
0.5

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Mass Transfer
In a binary system, separation is very efficient, when the relative volatility is

> 1
1
< 1
0.5

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Mass Transfer
Which of the following is considered equivalent to one theoretical stage in Mc-Cabe Thiele's method?

Total condenser
Partial condenser
Reboiler
Both B and C

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Mass Transfer
In case of unsaturated air

Both of the options given here
Dew point < wet bulb temperature
Wet bulb temperature < dry bulb temperature
None of the listed here

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Mass Transfer
Moisture in a substance exerting an equilibrium vapour pressure less than that of pure liquid at the same temperature is called the __________ moisture.

Critical
Unbound
None of these
Bound

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Mass Transfer
Boiling point diagram is

Not affected by pressure
Affected by pressure
A plot of temperature vs. vapour composition
A plot of temperature vs. liquid composition

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