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Mass Transfer

Mass Transfer
Boiling point diagram is not affected by the ambient

Humidity
Pressure
Both B and C
Temperature

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Mass Transfer
Which of the following is not a batch drier?

Agitated pan drier
Vacuum shelf drier
Truck drier
Fluidised bed drier

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Mass Transfer
Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower.

Perforated tray
Bubble cap
Wetted wall
Packed

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Mass Transfer
If a₁ and a₂ are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement.

None of these
a₁ = 2a₂
a₁ = 0.5 a₂
a₁ = a₂

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Mass Transfer
Humidification involves mass transfer between a pure liquid phase and a fixed gas, which is

Insoluble in the liquid
Non-ideal in nature
Soluble in the liquid
At a fixed temperature

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Mass Transfer
CO₂ can be absorbed by

Heated charcoal
Cold Ca(OH)₂
Hot cupric oxide
Alumina

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