A. Hot cupric oxide
B. Heated charcoal
C. Cold Ca(OH)2
D. Alumina
CO2 can be absorbed by____________________? Read More »
Mass Transfer A. Natural draft cooling tower
B. Induced draft cooling tower
C. Spray chamber
D. None of these
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.
Solvent used in extractive distillation___________________? Read More »
Mass Transfer A. Less
B. More
C. Same
D. Unpredictable
A. Relative humidity
B. Partial pressure of vapour
C. Wet bulb temperature
D. None of these
A. Escag 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
D. All A., B. and C.
A. Increases with increase in
B. Is one at unity value of
C. Both A. and B.
D. Neither A. nor B.
A. a1 = a2
B. a1 = 2a2
C. a1 = 0.5 a2
D. None of these
A. Always smaller than
B. Always greater than
C. Not related to
D. None of these
Percentage saturation is _______________ the relative saturation? Read More »
Mass Transfer A. Liquid phase resistance-controlled
B. Gas phase resistance controlled
C. Impossible
D. Driven by a non-linear driving force
