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Mass Transfer

Mass Transfer
An azeotropic mixture is a __________ mixture.

Constant boiling point
Ternary
None of these
Binary

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Mass Transfer
The suitable evaporator for concentration of foaming liquids is a __________ evaporator.

Vacuum
Falling film
Short tube
Long tube

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Mass Transfer
Make up water is supplied during cooling tower operation to compensate for water losses due to

Blowdown
Evaporation
All of these
Entrainment

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Mass Transfer
When a multistage tray tower uses a minimum reflux ratio, it implies

Minimum trays and maximum reboiler heat load
Infinite trays and maximum reboiler heat load
Minimum trays and minimum reboiler heat load
Infinite trays and minimum reboiler heat load

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Mass Transfer
Moisture contained by a substance in excess of the equilibrium moisture is called the __________ moisture.

Critical
Bound
Unbound
Free

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Mass Transfer
High pressure at the bottom of a distillation tower handling heat sensitive materials results in

Increased relative volatility
Erosion of the tower
Very efficient operation
Thermal decomposition of bottoms

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