Our website is made possible by displaying online advertisements to our visitors. Please consider supporting us by whitelisting our website.

CHEMICAL ENGINEERING

For a binary mixture distillation process, the degree of freedom is 2. However, if the pressure is fixed in this process, the number of independent variables in this process will be

CHEMICAL ENGINEERING, Mass Transfer /
Question: For a binary mixture distillation process, the degree of freedom is 2. However, if the pressure is fixed in this process, the number of independent variables in this process will be
[A].

1

[B].

0

[C].

2

[D].

3

Answer: Option A

Explanation:

No answer description available for this question.

For a binary mixture distillation process, the degree of freedom is 2. However, if the pressure is fixed in this process, the number of independent variables in this process will be Read More »

CHEMICAL ENGINEERING, Mass Transfer

Drying operation under vacuum is carried out to

CHEMICAL ENGINEERING, Mass Transfer /
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.

Drying operation under vacuum is carried out to Read More »

CHEMICAL ENGINEERING, Mass Transfer

In rectifying section of a continuous distillation column, the

CHEMICAL ENGINEERING, Mass Transfer /
Question: In rectifying section of a continuous distillation column, the
[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.

Answer: Option B

Explanation:

No answer description available for this question.

In rectifying section of a continuous distillation column, the Read More »

CHEMICAL ENGINEERING, Mass Transfer

In case of __________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated.

CHEMICAL ENGINEERING, Mass Transfer /
Question: In case of __________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated.
[A].

molecular

[B].

azeotropic

[C].

extractive

[D].

flash.

Answer: Option C

Explanation:

No answer description available for this question.

In case of __________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated. Read More »

CHEMICAL ENGINEERING, Mass Transfer

__________ number indicates the ratio of the rates of the heat and mass transfer incase of a cooling tower.

CHEMICAL ENGINEERING, Mass Transfer /
Question: __________ number indicates the ratio of the rates of the heat and mass transfer incase of a cooling tower.
[A].

Sherwood

[B].

Stanton

[C].

Lewis

[D].

Peclet

Answer: Option C

Explanation:

No answer description available for this question.

__________ number indicates the ratio of the rates of the heat and mass transfer incase of a cooling tower. Read More »

CHEMICAL ENGINEERING, Mass Transfer

In a moderately sized packed absorption tower, channeling (which is most severe with stacked packings) can be minimised by taking the ratio of tower diameter to packing diameter

CHEMICAL ENGINEERING, Mass Transfer /
Question: In a moderately sized packed absorption tower, channeling (which is most severe with stacked packings) can be minimised by taking the ratio of tower diameter to packing diameter
[A].

> 4 :1

[B].

< 8 : 1

[C].

> 8:1

[D].

< 6:1

Answer: Option C

Explanation:

No answer description available for this question.

In a moderately sized packed absorption tower, channeling (which is most severe with stacked packings) can be minimised by taking the ratio of tower diameter to packing diameter Read More »

CHEMICAL ENGINEERING, Mass Transfer

In batch distillation with constant reflux, overhead product composition __________ with time.

CHEMICAL ENGINEERING, Mass Transfer /
Question: In batch distillation with constant reflux, overhead product composition __________ with time.
[A].

increases

[B].

decreases

[C].

does not vary

[D].

may increase on decrease, depends on the system.

Answer: Option B

Explanation:

No answer description available for this question.

In batch distillation with constant reflux, overhead product composition __________ with time. Read More »

CHEMICAL ENGINEERING, Mass Transfer

During drying of a solid, the critical moisture content increases with

CHEMICAL ENGINEERING, Mass Transfer /
Question: During drying of a solid, the critical moisture content increases with
[A].

decreased drying rate

[B].

increased thickness of the solid

[C].

increased drying rate

[D].

both (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

During drying of a solid, the critical moisture content increases with Read More »

CHEMICAL ENGINEERING, Mass Transfer