CHEMICAL ENGINEERING | Materials and Construction

Corrosion involves exchange of electrons in __________ corrosion.

Byadmin August 29, 2022

Question: Corrosion involves exchange of electrons in __________ corrosion.
[A].

chemical

[B].

electrochemical

[C].

both (a) & (b)

[D].

neither (a) nor (b)

Answer: Option C

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Fuels and Combustion

A sooty flame can be made non-luminous by

Question: A sooty flame can be made non-luminous by
[A].

admitting more gas.
[B].
shutting gas supply.
[C].
admitting more air.
[D].
shutting air supply.

Answer: Option C

Explanation:

No answer description available for this question.

Read More A sooty flame can be made non-luminous by
CHEMICAL ENGINEERING | Chemical Engineering Basics

In case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean temperature difference) for counter flow as compared to that for parallel flow is

Question: In case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean temperature difference) for counter flow as compared to that for parallel flow is
[A].

more
[B].
less
[C].
equal
[D].
much more

Answer: Option C

Explanation:

No answer description available for this question.

Read More In case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean temperature difference) for counter flow as compared to that for parallel flow is
CHEMICAL ENGINEERING | Chemical Engineering Basics

Metal shots used in shot blasting are made of

Question: Metal shots used in shot blasting are made of
[A].

stellite
[B].
steel
[C].
bronze
[D].
lead

Answer: Option B

Explanation:

No answer description available for this question.

Read More Metal shots used in shot blasting are made of
CHEMICAL ENGINEERING | Chemical Process

Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used

Question: Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used
[A].

as a lubricant.
[B].
as a rust preventive.
[C].
in hard water for cleaning of cloth.
[D].
as a foam depressant in distillation column.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used
CHEMICAL ENGINEERING | Heat Transfer

Heat transfer efficiency leading of energy conservation in a heat exchanger can be achieved by

Question: Heat transfer efficiency leading of energy conservation in a heat exchanger can be achieved by
[A].

keeping the heat transfer surface clean.
[B].
enhancing the fluid pumping rate.
[C].
increasing the tube length.
[D].
none of these.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Heat transfer efficiency leading of energy conservation in a heat exchanger can be achieved by
CHEMICAL ENGINEERING | Chemical Engineering Plant Economics

Out of the following, the depreciation calculated by the __________ method is the maximum.

Question: Out of the following, the depreciation calculated by the __________ method is the maximum.
[A].

diminishing balance
[B].
straight line
[C].
sum of the years digit
[D].
sinking fund

Answer: Option A

Explanation:

No answer description available for this question.

Read More Out of the following, the depreciation calculated by the __________ method is the maximum.

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