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Mass Transfer

Mass Transfer
An azeotropic mixture is a __________ mixture.

Ternary
Binary
Constant boiling point
None of these

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Mass Transfer
Low viscosity absorbent is preferred for reasons of

Low pressure drop on pumping
Rapid absorption rates and good heat transfer characteristics
Improved flooding characteristics
All of these

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

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

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Mass Transfer
Which of the following equipments is not used for gas dispersion?

Spray towers
Bubble cap tray towers
Perforated sieve tray towers
Agitated vessels

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Mass Transfer
Diameter of raschig rings used in packed tower in industry is normally around __________ inches.

8
2
12
18

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Mass Transfer
In distillation column design, the McCabe-Thiele procedure is inadequate and a Ponchan-Savarit procedure is needed, when

An azeotrope forms
Saturated feed is not used
The latent heat of vaporisation of the more and less volatile components are greatly different
A total condenser is used

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