Mass Transfer

Gaseous diffusion co-efficient increases with increase in the_____________________?

Byadmin February 18, 2019August 22, 2021

Gaseous diffusion co-efficient increases with increase in the_____________________?

A. Pressure
B. Temperature
C. Both A. & B.
D. Neither A. nor B.

Mass Transfer

The relative humidity of air decreases in-spite of an increase in the absolute humidity, when the____________________?

The relative humidity of air decreases in-spite of an increase in the absolute humidity, when the____________________?

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

Read More The relative humidity of air decreases in-spite of an increase in the absolute humidity, when the____________________?
CHEMICAL ENGINEERING | Mass Transfer

Drying operation under vacuum is carried out to

Question: Drying operation under vacuum is carried out to
[A].

dry those materials which have very high unbound mositure content.
[B].
reduce drying temperature.
[C].
increase drying temperature.
[D].
dry materials having high bound moisture content.

Answer: Option B

Explanation:

No answer description available for this question.

Read More Drying operation under vacuum is carried out to
Mass Transfer

To remove all the moisture from a wet solid it requires exposure to _____________ air?

To remove all the moisture from a wet solid it requires exposure to _____________ air?

A. Perfectly dry
B. Highly humid
C. High temperature
D. None of these

Read More To remove all the moisture from a wet solid it requires exposure to _____________ air?
CHEMICAL ENGINEERING | Mass Transfer

Decoction refers to the use of solvent

Question: Decoction refers to the use of solvent
[A].

at ambient temperature
[B].
at its boiling point
[C].
in its vapor form
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More Decoction refers to the use of solvent
Mass Transfer

Heat sensitive materials with very high latent heat of vaporisation may be economically separated using__________________?

Heat sensitive materials with very high latent heat of vaporisation may be economically separated using__________________?

A. Liquid extraction
B. Distillation
C. Evaporation
D. Absorption

Read More Heat sensitive materials with very high latent heat of vaporisation may be economically separated using__________________?
Mass Transfer

At constant pressure, with increase of temperature, the dew point will ________________________?

At constant pressure, with increase of temperature, the dew point will ________________________?

A. Increase
B. Decrease
C. Remain unchanged
D. Increase/decrease; depends on the temperature

Read More At constant pressure, with increase of temperature, the dew point will ________________________?

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