Entrainer used in Azeotropic distillation should____________________?

Byadmin February 17, 2019August 22, 2021

Entrainer used in Azeotropic distillation should____________________?

A. Form a low boiling azeotrope with one of the constituents of the mixture
B. Form a new azeotrope of low relative volatility with one of the constituents of the mixture
C. Have high latent heat of vaporisation
D. Have high viscosity to provide high tray efficiency

Mass Transfer

The diffusivity, DAB (for component A diffusing in B) is equal to the diffusivity DBA (for component B diffusing in A) for a binary mixture of________________?

The diffusivity, DAB (for component A diffusing in B) is equal to the diffusivity DBA (for component B diffusing in A) for a binary mixture of________________?

A. Newtonian liquids
B. Non-Newtonian liquids
C. Ideal gases
D. Real gases

Read More The diffusivity, DAB (for component A diffusing in B) is equal to the diffusivity DBA (for component B diffusing in A) for a binary mixture of________________?
Mass Transfer

Dew point of a gas-vapour mixture_____________________?

Dew point of a gas-vapour mixture_____________________?

A. Increases with temperature rise
B. Decreases with temperature rise
C. Decreases with decrease in pressure
D. Increases with increase in pressure

Read More Dew point of a gas-vapour mixture_____________________?
Mass Transfer

‘Absorption with chemical reaction’ is involved in the removal of__________________?

‘Absorption with chemical reaction’ is involved in the removal of__________________?

A. Carbon dioxide from gaseous stream using alkaline solution
B. Benzol from coke oven gas using solar oil/wash oil
C. Ammonia from coke oven gas using refrigerated water
D. Tar from coke oven gas in primary gas coolers using chilled water

Read More ‘Absorption with chemical reaction’ is involved in the removal of__________________?
Mass Transfer

The wet and ‘dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be ______________ °C?

The wet and ‘dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be ______________ °C?

A. 25
B. > 25
C. < 25
D. – 25

Read More The wet and ‘dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be ______________ °C?
CHEMICAL ENGINEERING | Mass Transfer

(NRe . NSc) is termed in mass transfer operation as the __________ number.

Question: (NRe . NSc) is termed in mass transfer operation as the __________ number.
[A].
Stanton
[B].
Sherwood
[C].
Peclet
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More (NRe . NSc) is termed in mass transfer operation as the __________ number.
Mass Transfer

The diffusivity D. in a binary gas mixture is related to the pressure (P) as__________________?

The diffusivity D. in a binary gas mixture is related to the pressure (P) as__________________?

A. D ∝ P0.5
B. D ∝ 1/P0.5
C. D ∝ 1/P
D. D ∝ 1/P1.5

Read More The diffusivity D. in a binary gas mixture is related to the pressure (P) as__________________?

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