CHEMICAL ENGINEERING | Mass Transfer

__________ equation applies to diffusivities in liquids.

Byadmin August 29, 2022

Question: __________ equation applies to diffusivities in liquids.
[A].

Gilliland

[B].

Hirschfelder

[C].

Wilke and Chang

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Furnace Technology

__________ atmosphere is maintained inside an iron blast furnace.

Question: __________ atmosphere is maintained inside an iron blast furnace.
[A].

Oxidising
[B].
Reducing
[C].
Inert
[D].
Decarburising

Answer: Option B

Explanation:

No answer description available for this question.

Read More __________ atmosphere is maintained inside an iron blast furnace.
Mass Transfer

If mass diffusivity in a mixture is equal to the thermal diffusivity, then the Lewis number is____________________

If mass diffusivity in a mixture is equal to the thermal diffusivity, then the Lewis number is____________________

A. 0
B. 1
C. 1

Read More If mass diffusivity in a mixture is equal to the thermal diffusivity, then the Lewis number is____________________
CHEMICAL ENGINEERING | Fluid Mechanics

Euler’s equation of motion is a statement expressing

Question: Euler’s equation of motion is a statement expressing
[A].

conservation of mass.
[B].
conservation of energy.
[C].
Newton’s first law of motion.
[D].
Newton’s second law of motion.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Euler’s equation of motion is a statement expressing
CHEMICAL ENGINEERING | Chemical Reaction Engineering

In autocatalytic reactions,

Question: In autocatalytic reactions,
[A].

one of the reactants acts as a catalyst.
[B].
one of the products acts as a catalyst.
[C].
catalysts have very high selectivity.
[D].
no catalyst is used.

Answer: Option B

Explanation:

No answer description available for this question.

Read More In autocatalytic reactions,
CHEMICAL ENGINEERING | Chemical Engineering Basics

Current employed in resistance welding ranges from __________ kVA/cm2 .

Question: Current employed in resistance welding ranges from __________ kVA/cm2 .
[A].

1.2 to 2.5
[B].
4.5 to 6.2
[C].
7.5 to 8.5
[D].
10.5 to 15.5

Answer: Option B

Explanation:

No answer description available for this question.

Read More Current employed in resistance welding ranges from __________ kVA/cm2 .
Mass Transfer

In an interphase mass transfer process, the lesser the solubility of a given solute in a liquid, the higher are the chances that the transfer process will be_________________?

In an interphase mass transfer process, the lesser the solubility of a given solute in a liquid, the higher are the chances that the transfer process will be_________________?

A. Liquid phase resistance-controlled
B. Gas phase resistance controlled
C. Impossible
D. Driven by a non-linear driving force

Read More In an interphase mass transfer process, the lesser the solubility of a given solute in a liquid, the higher are the chances that the transfer process will be_________________?

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