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Mass Transfer

Mass Transfer
__________ column is preferred to be used, when a high liquid hold up is required in a reactor for gas-liquid reaction.

Tray
Bubble
Packed
Spray

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Mass Transfer
Inside the distillation columns, the

Driving force for the liquid flow is its weight
Vapors are not always at their dew points
All of these
Highest temperatures is near the feed plate

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

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

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Mass Transfer
The most efficient cooling tower out of the following is

Natural draft
Atmospheric
Forced draft
Induced draft

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Mass Transfer
The dew point of a saturated gas phase equals the __________ temperature.

None of these
Room
Wet bulb
Gas

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Mass Transfer
For a binary mixture with low relative volatility,

Use steam distillation
Use molecular distillation
An azeotrope may be formed during distillation
Use high pressure distillation

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