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Mass Transfer

Mass Transfer
The slope of the operating line for a single component co-current absorber when plotted in terms of mole ratio units is

+ve
-ve
∞

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Mass Transfer
Which of the following quantities need not be fixed before starting the design of a co-current absorber?

None of the listed here
Flow rate of gas
Flow rate of entering liquid
Heat gain or loss

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Mass Transfer
At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes

1
?
None of these

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Mass Transfer
Acetic acid will be most economically separated from a dilute solution of acetic acid in water by

Solvent extraction
Continuous distillation
Evaporation
Absorption

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Mass Transfer
With increase in temperature, the leaching rate increases because of the

Decreased viscosity of liquid
None of the listed here
Increased diffusivity
Both Decreased viscosity of liquid & Increased diffusivity

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Mass Transfer
The cooling effect in a cooling tower can not be increased by

None of these
Reducing the humidity of entering air
Increasing the air velocity over the wet surfaces
Lowering the barometric pressure

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