Mass Transfer
For a single component absorber, the operating line is straight only when plotted in term of __________ units.

Mole fraction
None of these
Partial pressure
Mole ratio

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Mass Transfer
Which of the following processes is not an example of adsorption applied to gaseous separations?

Decolouration of yellow glycerene
Removal of objectionable odour and impurities from industrial gases
Dehumidification of air and gas
Recovery of valuable solvent vapors from dilute mixture with air and other gases

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Mass Transfer
Blowdown in a cooling tower

Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities
Is undesirable
Increases the scale forming tendencies of water
All of these

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