Chemical Engineering MCQs

6108 MCQs  (Page 217 of 611)

Percentage saturation is _______________ the relative saturation?
A. Always smaller than
B. Always greater than
C. Not related to
D. None of these
If a two phase system is in physical equilibrium; then it means that, the_____________________?
A. Escaping tendency of each component from the liquid phase to the vapor phase is exactly
EquAl to that from vapor phase to liquid phase
B. Temperature of the liquid phase is equal to that of the vapor phase
C. Total pressure throughout the liquid phase is equal to that throughout the vapor phase
Which of the following remains constant during evaporative cooling process with recirculated water supply ?
A. Relative humidity
B. Partial pressure of vapour
C. Wet bulb temperature
D. None of these
Solvent used in extractive distillation___________________?
A. Changes the relative volatility of the original components
B. Should be of high volatility
C. Should form azeotropes with the original components
D. All a., b. and c.