CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

In a working refrigerator, the value of COP is always

Byadmin August 8, 2022

Question: In a working refrigerator, the value of COP is always
[A].

[B].

< 0

[C].

< 1

[D].

> 1

Answer: Option D

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Heat Transfer

Film condensation is promoted on a/an __________ surface.

Question: Film condensation is promoted on a/an __________ surface.
[A].

oily
[B].
coated
[C].
clean & smooth
[D].
dirty

Answer: Option C

Explanation:

No answer description available for this question.

Read More Film condensation is promoted on a/an __________ surface.
CHEMICAL ENGINEERING | Mass Transfer

Laboratory determination of the dif-fusivity of vapor is done by __________ method.

Question: Laboratory determination of the dif-fusivity of vapor is done by __________ method.
[A].

wetted wall column
[B].
Gilliland’s
[C].
Winkel mann’s
[D].
Wike’s

Answer: Option C

Explanation:

No answer description available for this question.

Read More Laboratory determination of the dif-fusivity of vapor is done by __________ method.
CHEMICAL ENGINEERING | Fluid Mechanics

Momentum correction factor used in fluid flow problems accounts for the

Question: Momentum correction factor used in fluid flow problems accounts for the
[A].

change in direction of flow.
[B].
change in total energy.
[C].
change in pressure.
[D].
non uniform direction of velocities at inlet & outlet sections.

Answer: Option D

Explanation:

No answer description available for this question.

Read More Momentum correction factor used in fluid flow problems accounts for the
CHEMICAL ENGINEERING | Chemical Engineering Basics

Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.

Question: Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.
[A].

20
[B].
200
[C].
500
[D].
1000

Answer: Option B

Explanation:

No answer description available for this question.

Read More Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.
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 | Materials and Construction

Coke oven regenerators are made of __________ bricks.

Question: Coke oven regenerators are made of __________ bricks.
[A].

fire clay
[B].
silica
[C].
low thermal conductivity
[D].
high electrical conductivity

Answer: Option A

Explanation:

No answer description available for this question.

Read More Coke oven regenerators are made of __________ bricks.

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