Chemical Engineering MCQs

6108 MCQs  (Page 158 of 611)

The cooling effect in a cooling tower can be speeded up by _______________________?
A. Increasing the air velocity and area of exposed wet surface
B. Reducing the barometric pressure
C. Reducing the humidity of the air
D. All a., b. and c.
Which of the following processes is not an example of adsorption applied to gaseous separations ?
A. Recovery of valuable solvent vapors from dilute mixture with air and other gases
B. Dehumidification of air and gas
C. Removal of objectionable odour and impurities from industrial gases
D. Decolouration of yellow glycerine
For absorbing a sparingly soluble gas in a liquid, the_____________________?
A. Gas side co-efficient should be increased
B. Liquid side coefficient should be increased
C. Gas side co-efficient should be decreased
D. Liquid side co-efficient should be decreased