Chemical Engineering MCQs

A. The water entrained by the circulating air
B. Dependent on the water lost by evaporation
C. Desirable
D. All a., b. & c.

A. 1
B. 1 to 5
C. 5 to 10
D. > 10

A. Sherwood
B. Stanton
C. Lewis
D. Peclet

A. 1.2 to 1.5
B. 2.5 to 3
C. 3 to 4
D. 5

A. Toor and marcello
B. Fick
C. Danckwerts
D. Stefan

A. Silica gel
B. Alumina
C. Fuller’s earth
D. Activated carbon

A. Unidirectional diffusion from liquid to gas phase
B. Unidirectional diffusion from gas to liquid phase
C. Either a. or b.
D. A counter diffusion at an almost equal molar rate

A. Rotary
B. Fluidised bed
C. Vacuum
D. Spray

A. 4
B. 8
C. 9
D. 10

A. The entire amount of c is transferred to solvent b
B. Less than 2 kg but more than 1 kg of c is transferred to solvent b
C. Less than 1 kg of c is transferred to b
D. No amount of c is transferred to b