Category: Mass Transfer

A. Yes
B. No
C. Yes; but height of cooling tower will be prohibitively high
D. Yes; but the air flow rate should be excessively high

A. Both liquids flow at fixed rate
B. Both liquids can have any desired flow rate
C. Only one of the liquids may be pumped at any desired rate
D. Liquid’s flow rate depends upon the temperature and pressure

A. Nsh = 2
B. Nst = 2
C. Nsc = 2
D. None of these

A. Increases
B. Decreases
C. Remain same
D. May increase or decrease; depends on system

A. Temperature
B. Viscosity of solvent
C. Pressure
D. Size of the solid

A. The mixture exhibits an azeotrope at 101.3 kPa
B. The composition of the mixture, in percent by volume is: o-xylene 30, p-xylene 60. and mxylene
10
C. The composition of the mixture in mole percent is: o-xylene 30, p-xylene 60 and m-xyoene 10
D. The mixture contain optical isomers

A. Water-alcohol
B. Methyl alcohol-acetone
C. Butyl acetate-water
D. None of these

A. Diffusivity of solute increases
B. Viscosity of solvent decreases
C. Thermal conductivity of solute increases
D. None of these

A. More than the wet bulb
B. Less than the wet bulb
C. Equal to the wet bulb
D. Equal to the dry bulb

A. K ∝D
B. K ∝√D
C. K ∝D1.5
D. K ∝D2