CHEMICAL ENGINEERING | Fuels and Combustion

Compound coke ovens are those which can be heated by

Byadmin August 19, 2022

Question: Compound coke ovens are those which can be heated by
[A].

both steam and electrical power.

[B].

lean gas (e.g., B.F. gas).

[C].

rich gas (e.g., coke oven gas).

[D].

both (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Fuels and Combustion

Coking coals are invariably

Question: Coking coals are invariably
[A].

lignites
[B].
bituminous coals
[C].
semi-anthracites
[D].
anthracites

Answer: Option B

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Chemical Engineering Basics

__________ method of depreciation calculation ensures that the interest is charged on the cost of machine asset every year on the book value, but the rate of depreciation remains constant every year.

Question: __________ method of depreciation calculation ensures that the interest is charged on the cost of machine asset every year on the book value, but the rate of depreciation remains constant every year.
[A].

Annuity charging
[B].
Atraight line
[C].
Ainking fund
[D].
None of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More __________ method of depreciation calculation ensures that the interest is charged on the cost of machine asset every year on the book value, but the rate of depreciation remains constant every year.
CHEMICAL ENGINEERING | Chemical Engineering Basics

During brazing, if the fluxes are entrapped, it results in the

Question: During brazing, if the fluxes are entrapped, it results in the
[A].

distortion of brazed joints.
[B].
cracking of joints.
[C].
presence of gas pockets.
[D].
corrosion.

Answer: Option D

Explanation:

No answer description available for this question.

Read More During brazing, if the fluxes are entrapped, it results in the
CHEMICAL ENGINEERING | Chemical Process

The catalyst used in the manufacture of DDT is

Question: The catalyst used in the manufacture of DDT is
[A].

alumina.
[B].
silica.
[C].
20% oleum.
[D].
aluminium chloride.

Answer: Option C

Explanation:

No answer description available for this question.

Read More The catalyst used in the manufacture of DDT is
CHEMICAL ENGINEERING | Chemical Process

Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H2O = Fe3O4 + 4H2, is not practised, as it is

Question: Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H2O = Fe3O4 + 4H2, is not practised, as it is
[A].

a slow reaction.
[B].
a discontinuous reaction (requiring regeneration of iron by water gas intermittently).
[C].
still in development stage (by employing fluidised bed technique).
[D].
all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H2O = Fe3O4 + 4H2, is not practised, as it is
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

For a real gas, the chemical potential is given by

Question: For a real gas, the chemical potential is given by
[A].

RT dlnP
[B].
RT dlnf
[C].
R dlnf
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More For a real gas, the chemical potential is given by

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