A. Is a function of the mass transfer between liquid and vapour
B. Increases due to foaming
C. Increases due to liquid entrainment
D. Increases due to weeg and dumg of liquid
A. 2
B. 8
C. 12
D. 18
A. Vapour is enriched with low boilers
B. Vapour is enriched with high boilers
C. Liquid is stripped of high boilers
D. None of these
A. Low pressure drop and high hold up
B. High pressure drop and low hold up
C. Low pressure drop and low hold up
D. High pressure drop and high hold up
A. More than liquid composition
B. Less than liquid composition
C. Same as liquid composition
D. Independent of pressure
A. Momentum flux
B. Kinematic viscosity
C. Thermal diffusivity
D. Both B. and C.
A. Wet bulb temperature
B. Relative humidity
C. Partial pressure of vapour
D. None of these
A. 90
B. 91.5
C. 95
D. 99
A. 15 min
B. 51 min
C. 71 min
D. 94 min
A. Azeotropic mixture is to be separated and the final product is miscible with water
B. Liquids decompose, if distilled directly at atmospheric pressure
C. Material cannot be distilled by indirect heating even under low pressure, because of the high
boiling temperature
D. Material to be distilled is thermally unstable or has the tendency to react with other
components associated with it, at the boiling temperature