A. Bound
B. Unbound
C. Critical
D. None of these
A. Drum drier
B. Spray drier
C. Tunnel drier
D. Tray drier
Which of the following is not a continuous drier ? Read More »
Mass Transfer A. Vapors and liquids are at their dew point and bubble point respectively
B. Driving force for the liquid flow is its specific weight
C. Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from
the bottom to the top of the column
D. Highest temperature is encountered at the top of the column
In an operating distillation column, the______________________? Read More »
Mass Transfer A. Directly proportional to ‘T1.5’
B. Inversely proportional to ‘P’
C. Dependent on the molecular volume & molecular weight of components
D. All A , B. & C.
As per Gilliland’s equation, the diffusivity is___________________? Read More »
Mass Transfer A. Electrical resistance
B. Thermal conductivity
C. Strength
D. None of these
A. Diffusion
B. Heat transfer
C. Both A. and B.
D. Neither A. nor B.
Which is the controlling factor for a drum drier ? Read More »
Mass Transfer A. Toluene-benzene
B. Acetone-carbon disulphide
C. Water-isobutyl alcohol
D. None of these
A minimum boiling azeotrope is exemplified by__________________________? Read More »
Mass Transfer A. Temperature
B. Vapour pressure of either component
C. Total pressure
D. None of these
Relative volatility does not change appreciably with the change in_____________________? Read More »
Mass Transfer A. Packed column
B. Sieve tray
C. Bubble cap
D. Any of these
Small dia distillation column can be a _________________________? Read More »
Mass Transfer A. 0.50
B. 0.60
C. 1
D. 2
