Chemical Engineering MCQs

6108 MCQs  (Page 201 of 611)

Which of the following solutions will follow Raoult’s law most closely ?
A. A solution of benzene, toluene and o-xylene
B. 35% solution of camphor in water
C. 35% solution of nh3 in water
D. A solution of polar organic compounds (not of homologue of a series)
Relative humidity is the ratio of the______________________?
A. Partial pressure of the vapour to the vapour pressure of the liquid at room temperature
B. Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature
C. Actual humidity to saturation humidity
D. None of these
Mass transfer co-efficient of liquid is____________________?
A. Affected more by temperature than that for gases
B. Affected much less by temperature than that for gases
C. Not affected by the temperature
D. None of these
The reciprocal of stripping factor is termed as ________________________?
A. Selectivity index
B. Relative volatility
C. Absorption factor
D. Murphree efficiency
In distillation columns, the number of bubble caps per tray primarily depends upon the_______________________?
A. Allowable liquid velocity
B. Allowable gas velocity
C. Allowable gas and liquid velocities
D. Feed composition