Component A is diffusing in a medium B. The flux NA relative to a stationary point is equal to the flux due to molecular difusion, if

Byadmin August 29, 2022

Question: Component A is diffusing in a medium B. The flux NA relative to a stationary point is equal to the flux due to molecular difusion, if
[A].

mass transfer is accompanied by reaction.

[B].

diffusion of A is in stagnant medium B.

[C].

molecular mean free path is high.

[D].

there is equimolar counter diffusion.

Answer: Option D

Explanation:

No answer description available for this question.

Mass Transfer

In case of non-ideal gases and liquids, the molal diffusivity ________________?

In case of non-ideal gases and liquids, the molal diffusivity ________________?

A. Varies inversely as the pressure
B. Varies directly as the pressure
C. Is independent of pressure
D. Is equal to the volumetric diffusivity

Read More In case of non-ideal gases and liquids, the molal diffusivity ________________?
CHEMICAL ENGINEERING | Mass Transfer

Flooding in a column results due to

Question: Flooding in a column results due to
[A].

high pressure drop
[B].
low pressure drop
[C].
low velocity of the liquid
[D].
high temperature

Answer: Option A

Explanation:

No answer description available for this question.

Read More Flooding in a column results due to
CHEMICAL ENGINEERING | Heat Transfer

For specified tube outside diameter, higher BWG means higher

Question: For specified tube outside diameter, higher BWG means higher
[A].

tube thickness
[B].
cross-sectional area
[C].
weight per unit length
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More For specified tube outside diameter, higher BWG means higher
CHEMICAL ENGINEERING | Environmental Engineering

Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid ilow control. It is caused due to

Question: Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid ilow control. It is caused due to
[A].

Reynold stresses
[B].
shear forces
[C].
both (a) & (b)
[D].
neither (a) nor (b)

Answer: Option C

Explanation:

No answer description available for this question.

Read More Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid ilow control. It is caused due to
CHEMICAL ENGINEERING | Fluid Mechanics

If more than two branches of pipes are to be connected at the same point, then use a/an

Question: If more than two branches of pipes are to be connected at the same point, then use a/an
[A].

elbow
[B].
union
[C].
tee
[D].
none of these.

Answer: Option C

Explanation:

No answer description available for this question.

Read More If more than two branches of pipes are to be connected at the same point, then use a/an
Mass Transfer

Which of the following operations does not involve leaching ?

Which of the following operations does not involve leaching ?

A. Dissolving gold from ores
B. Dissolving pharmaceutical products from bark or roots
C. Dissolving sugar from the cells of the beet
D. Removing nicotine from its water solution by kerosene

Read More Which of the following operations does not involve leaching ?

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