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Mass Transfer

Mass Transfer
Molarity is defined as the number of gm moles of solute per __________ of solvent.

c
Kg
Gm
Litre

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Mass Transfer
Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of __________ humidity.

None of these
Relative
Percentage
Molal

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Mass Transfer
__________ temperature is the steady state temperature attained by a small amount of liquid evaporating into a large quantity of unsaturated gas-vapor mixture.

Dry bulb
Dew point
None of these
Wet bulb

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Mass Transfer
For the same system, if the same liquid used in an absorber is decreased, the tower height will

Increase
Decrease
Remain unaffected
Decrease or increase ; depends on the type of liquid

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Mass Transfer
Low viscosity absorbent is preferred for reasons of

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

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Mass Transfer
Flash distillation is suitable for separating the constituents of a binary system, which

Have very close boiling points
Form constant boiling azeotrope
Have very wide boiling points
Form minimum boiling azeotrope

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