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Mass Transfer

Mass Transfer
Wet bulb and dry bulb temperatures becomes identical at __________ percent saturation curve.

100
None of these
50
78

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Mass Transfer
Small dia distillation column can be a

Bubble cap
Any of these
Sieve tray
Packed column

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Mass Transfer
When an unsaturated air-water mixture is heated at constant pressure, then

The partial pressure of water vapour increases
The relative humidity decreases
The relative humidity increases
The specific humidity decreases

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

Sherwood
Lewis
Peclet
Stanton

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Mass Transfer
To remove all the moisture from a wet solid it requires exposure to __________ air.

Perfectly dry
Highly humid
High temperature
None of these

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Mass Transfer
The-relative volatility for separation of a non-ideal binary mixture by distillation should be

1
< 1
> 1

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