CHEMICAL ENGINEERING | Chemical Process

Flux addition during smelting of ore is done to

Byadmin August 10, 2022

Question: Flux addition during smelting of ore is done to
[A].

remove impurities/gangue.

[B].

enhance rate of reaction.

[C].

accelerate reduction of ore.

[D].

separate slag from metal.

Answer: Option A

Explanation:

No answer description available for this question.

Chemical Process

Thermosetting materials ______________________?

Thermosetting materials ______________________?

A. Are cross-linked molecules
B. Soften on application of heat
C. Are solvent soluble
D. None of these

Read More Thermosetting materials ______________________?
CHEMICAL ENGINEERING | Heat Transfer

If average heat transfer co-efficient is ha and the local coefficient at the end of the plate is hl then in case of heat transfer to a fluid flowing over a flat plate, heated over its entire length

Question: If average heat transfer co-efficient is ha and the local coefficient at the end of the plate is hl then in case of heat transfer to a fluid flowing over a flat plate, heated over its entire length
[A].

ha = hl
[B].
ha = 2hl
[C].
ha = 0.5 hl
[D].
ha = 0.75 hl

Answer: Option B

Explanation:

No answer description available for this question.

Read More If average heat transfer co-efficient is ha and the local coefficient at the end of the plate is hl then in case of heat transfer to a fluid flowing over a flat plate, heated over its entire length
CHEMICAL ENGINEERING | Chemical Process

The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is

Question: The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is
[A].

dilute H2SO4
[B].
oleum
[C].
ultraviolet light
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is
Chemical Process

Thermal pyrolysis of ethylene dichloride produces___________________?

Thermal pyrolysis of ethylene dichloride produces___________________?

A. Trichloroethylene
B. Vinyl chloride
C. Ethanol amine
D. Ethylene oxide

Read More Thermal pyrolysis of ethylene dichloride produces___________________?
CHEMICAL ENGINEERING | Chemical Engineering Basics

Friction factor for fluid flow in pipe does not depend upon the

Question: Friction factor for fluid flow in pipe does not depend upon the
[A].

pipe length.
[B].
pipe roughness.
[C].
fluid density & viscosity.
[D].
mass flow rate of fluid.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Friction factor for fluid flow in pipe does not depend upon the
CHEMICAL ENGINEERING | Chemical Reaction Engineering

A second order liquid phase reaction, A B, is carried out in a mixed flow reactor operated in semi batch mode (no exit stream). The reactant A at concentration CAF is fed to the reactor at a volumetric flow rate of F. The volume of the reacting mixture is V and the density of the liquid mixture is constant. The mass balance for A is

Question: A second order liquid phase reaction, A B, is carried out in a mixed flow reactor operated in semi batch mode (no exit stream). The reactant A at concentration CAF is fed to the reactor at a volumetric flow rate of F. The volume of the reacting mixture is V and the density of the liquid mixture is constant. The mass balance for A is
[A].

[B].

[C].

[D].

Answer: Option D

Explanation:

No answer description available for this question.

Read More A second order liquid phase reaction, A B, is carried out in a mixed flow reactor operated in semi batch mode (no exit stream). The reactant A at concentration CAF is fed to the reactor at a volumetric flow rate of F. The volume of the reacting mixture is V and the density of the liquid mixture is constant. The mass balance for A is

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