For a binary mixture with low relative volatility________________?

Byadmin February 16, 2019August 22, 2021

For a binary mixture with low relative volatility________________?

A. Use steam distillation
B. Use molecular distillation
C. Use high pressure distillation
D. An azeotrope may be formed during distillation

CHEMICAL ENGINEERING | Mass Transfer

Out of two equilibrium curves, first one lies above the diagonal and the second lies below the diagonal in the x-y plot. It means that separation by distillation is

Question: Out of two equilibrium curves, first one lies above the diagonal and the second lies below the diagonal in the x-y plot. It means that separation by distillation is
[A].

not possible in the second case unless vacuum is applied.
[B].
not possible in the second case unless high pressure is applied.
[C].
more readily done in the second case compared to first one.
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More Out of two equilibrium curves, first one lies above the diagonal and the second lies below the diagonal in the x-y plot. It means that separation by distillation is
Mass Transfer

When the ____________________ the relative humidity of air decreases, despite an increase in the absolute humidity?

When the ____________________ the relative humidity of air decreases, despite an increase in the absolute humidity?

A. Temperature rises
B. Pressure rises
C. Temperature falls
D. Pressure falls

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Mass Transfer

Lewis number (Le) is___________________?

Lewis number (Le) is___________________?

A. Sc × Pr
B. Pr × St
C. Sh × Pr
D. St × Sh

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Mass Transfer

When an unsaturated air-water mixture is heated at constant pressure, then ____________________ ?

When an unsaturated air-water mixture is heated at constant pressure, then ____________________ ?

A. The partial pressure of water vapour increases
B. The specific humidity decreases
C. The relative humidity increases
D. The relative humidity decreases

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Mass Transfer

The relative volatility of a binary mixture at constant temperature _________________ the total pressure?

The relative volatility of a binary mixture at constant temperature _________________ the total pressure?

A. Decreases with increase in
B. Increases with increase in
C. Is independent of
D. None of these

Read More The relative volatility of a binary mixture at constant temperature _________________ the total pressure?
Mass Transfer

In extractive distillation, solvent is_____________________?

In extractive distillation, solvent is_____________________?

A. Added to alter the relative volatility of the mixture
B. Of high volatility
C. Present in overhead stream
D. Of high viscosity to give high tray efficiency

Read More In extractive distillation, solvent is_____________________?

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