CHEMICAL ENGINEERING | Fluid Mechanics

Flow measurement in an open channel is done by a/an

Byadmin August 13, 2022

Question: Flow measurement in an open channel is done by a/an
[A].

venturimeter

[B].

orificemeter

[C].

weir

[D].

rotameter

Answer: Option C

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Basics

The basic function of the drum in a boiler is to

Question: The basic function of the drum in a boiler is to
[A].

act as a storage for feed water.
[B].
act as a storage for steam.
[C].
separate steam from water.
[D].
remove settling impurities from steam.

Answer: Option C

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Chemical Engineering Basics

Internal cracks in drawn bars are due to

Question: Internal cracks in drawn bars are due to
[A].

secondary tensile stresses.
[B].
temperature gradient in the work piece.
[C].
heated dies and grips.
[D].
internal compressive residual stress.

Answer: Option A

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Chemical Reaction Engineering

The importance of diffusion in a catalyst are increased by

Question: The importance of diffusion in a catalyst are increased by
[A].

large catalyst particle size.
[B].
an active surface of the catalyst.
[C].
small pore diameter.
[D].
all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Mass Transfer

Mass transfer co-efficient is defined as

Question: Mass transfer co-efficient is defined as
[A].

Flux = Co-efficient/concentration difference.
[B].
Co-efficient = Flux/concentration difference.
[C].
Flux=concentration difference/co-effi-cient.
[D].
none of these.

Answer: Option B

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Mass Transfer

__________ extractor is used for the concentration of radioactive nuclear waste.

Question: __________ extractor is used for the concentration of radioactive nuclear waste.
[A].

Pulsed column
[B].
Seive plate
[C].
Mixer-settler
[D].
Ballman

Answer: Option A

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Fuels and Combustion

Froth floatation is used for

Question: Froth floatation is used for
[A].

washing fine coal dust (< 0.5 mm size).
[B].
washing lump coal (> 80 mm size).
[C].
removing ash from the coal based on difference in specific gravity of coal and ash.
[D].
all (a), (b)and(c).

Answer: Option A

Explanation:

No answer description available for this question.

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