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MASS TRANSFER

Mass Transfer
Only small amount of evaporation of water produces large cooling effects because of its

Large latent heat
None of these
Low viscosity
Small latent heat

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

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Mass Transfer
In extractive distillation, solvent is

Of high viscosity to give high tray efficiency
Present in overhead stream
Of high volatility
Added to alter the relative volatility of the mixture

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Mass Transfer
Absorption accompanied by heat evolution results in

Increase in equilibrium solubility
Decrease in equilibrium solubility
Increased capacity of the absorber
None of these

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Mass Transfer
Molecular seives are regenerated by heating to __________ °C.

> 1000
200-330
< 150
> 500

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