CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

Gibbs free energy at constant pressure and temperature under equilibrium conditions is

Byadmin August 10, 2022

Question: Gibbs free energy at constant pressure and temperature under equilibrium conditions is
[A].

∞

[B].

[C].

maximum

[D].

minimum

Answer: Option D

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Fertiliser Technology

In natural gas, the C/H ratio (by weight) varies in the range of

Question: In natural gas, the C/H ratio (by weight) varies in the range of
[A].

3-4
[B].
8-10
[C].
15-17
[D].
20-25

Answer: Option A

Explanation:

No answer description available for this question.

Read More In natural gas, the C/H ratio (by weight) varies in the range of
CHEMICAL ENGINEERING | Chemical Process

Ethyl alcohol cannot be produced

Question: Ethyl alcohol cannot be produced
[A].

from waste sulphite substrate of paper mills.
[B].
by esterification and hydroloysis of ethylene.
[C].
from molasses.
[D].
none of these.

Answer: Option D

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Fuels and Combustion

__________ process is meant for direct hydrogenation of coal to produce liquid fuel.

Question: __________ process is meant for direct hydrogenation of coal to produce liquid fuel.
[A].

Fischer-Tropsch
[B].
Bergius
[C].
Lurgi
[D].
None of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More __________ process is meant for direct hydrogenation of coal to produce liquid fuel.
CHEMICAL ENGINEERING | Chemical Reaction Engineering

For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance.

Question: For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance.
[A].

film diffusion
[B].
diffusion through ash layer
[C].
chemical reaction
[D].
either (a), (b) or (c)

Answer: Option B

Explanation:

No answer description available for this question.

Read More For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance.
CHEMICAL ENGINEERING | Chemical Engineering Basics

Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.

Question: Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.
[A].

bomb
[B].
throttling
[C].
Junker’s
[D].
Boy’s

Answer: Option B

Explanation:

No answer description available for this question.

Read More Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

Gibbs-Duhem equation

Question: Gibbs-Duhem equation
[A].

states that n1dμ1 + n2dμ2 + ….njdμj = 0, for a system of definite composition at constant temperature and pressure.
[B].
applies only to binary systems.
[C].
finds no application in gas-liquid equilibria involved in distillation.
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More Gibbs-Duhem equation

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