E-PolyLearning

Discussion Forum

Que. Pick out the wrong statement.
a. Constant pressure distillation can not separate an azeotropic mixture.
b. Relative volatility of a binary mixture changes appreciably with the minor change in temperature.
c. The relative volatility of a binary mixture at azeotropic composition is unity.
d. Flash distillation is practised on wide spread scale in petroleum refinery.
Correct Answer:Relative volatility of a binary mixture changes appreciably with the minor change in temperature.
Confused About the Answer? Ask fellow aspirants for Details Here
Already Know Explanation? Add it Here to help others.

More Questions Like this:

__________ temperature is the steady state temperature attained by a small amount of liquid evaporating into a large quantity of unsaturated gas-vapor mixture.
For the same feed, feed quality and separation (in a distillation column), with the increase of total pressure, the number of ideal plates will
Though, theoretically the adsorption & desorption isotherms is expected to coincide but sometimes at least a part of the isotherms does not coincide and this phenomenon is known as adsorption hysterisis. In such cases, the desorption equilibrium pressure is __________ that obtained for adsorption.
Detergent solution is dried to a powder in a
The Kundsen diffusivity is proportional to (where, T = absolute temperature)
The interfacial area per unit volume of dispersion, in a gas-liquid contactor, for fractional hold up of gas = 0.1 and gas bubble diameter = 0.5 mm is given by (in m²/m³)
Sand is dried in foundaries in a___drier.
If a two phase system is in physical equilibrium; then it means that, the
Which of the following provides maximum contact surface for a liquid-vapour system?
Perforated plate towers are unique for solvent extraction because, they provide
According to Chilton-Colburn analogy for mass transfer, (NSt.NSc)^2/3 is equal to
Pick out the correct statement.
The unit of volumetric diffusivity is
The expression, y(1 - x)/x(1 - y) is for
Separation of __________ employs gaseous diffusion process.
__________ is concerned with the adsorption equilibria.
Hydrogenation of oil is carried out in a/an __________ in Vanaspati manufacturing plant.
When the solvent dissolves very little of solute, then
The reflux to a distillation column is 100 moles/hr, when the overhead product rate is 50 moles/hr. The reflux ratio is
Steady state temperature reached by a small amount of liquid evaporating into a large amount of unsaturated vapour-gas mixture is called the __________ temperature.

View All Questions on: Mass Transfer

Management and Accounting

Human Resource Management Marketing and Marketing Management Financial Management and Financial Markets Cost Accounting Business Statistics