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Mass Transfer

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

Tray drier
Spray drier
Tunnel drier
Drum drier

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Mass Transfer
For a binary mixture with low relative volatility, continuous rectification to get pure products will require

High reflux ratio
Low reflux ratio
Less number of trays
Small cross-section column

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Mass Transfer
Reverse osmosis is also called

Diffusion
Dialysis
Electrodilysis
Ultrafiltration

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

70-80
90-100
30-40
44119

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Mass Transfer
With increase in pressure, the relative volatility for a binary system

Decreases
Remains same
Either A or B, depends on the system
Increases

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Mass Transfer
Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a

Higher dew point
Higher absolute (specific) humidity
Higher relative humidity
Higher wet bulb temperature

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