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Mass Transfer

Mass Transfer
A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height.

30-40
70-80
44119
90-100

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Mass Transfer
The relative volatility of a binary mixture at the azeotropic composition is

1
> 1
∞

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Mass Transfer
At what percentage (by volume) of alcohol composition, it forms an azeotrope with water?

95
99
90
91.5

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

Tunnel drier
Drum drier
Spray drier
Tray drier

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Mass Transfer
Design calculation for multiple component distillation is done by

Mccabe-Thiele method
Tray to tray calculations
Ponchon-Savarit method
Enthalpy concentration method

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Mass Transfer
Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at the same temperature is called the __________ moisture.

Free
Unbound
Bound
Critical

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