CHEMICAL ENGINEERING | Environmental Engineering

Brown spots in fabrics will be caused by washing with water containing large amount of .

Byadmin August 13, 2022

Question: Brown spots in fabrics will be caused by washing with water containing large amount of .
[A].

iron

[B].

zinc

[C].

iodine

[D].

bromine

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Basics

Function of gear box is to

Question: Function of gear box is to
[A].

reduce the speed.
[B].
obtain variable speed.
[C].
increase the speed.
[D].
produce high torque.

Answer: Option B

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Environmental Engineering

A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth’s atmosphere, which absorbs it.

Question: A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth’s atmosphere, which absorbs it.
[A].

hydrogen
[B].
carbon dioxide
[C].
ozone
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth’s atmosphere, which absorbs it.
Environmental Engineering

For a country like India, where rainfall is mainly confined to one season, the suitable sewerage system will be________________?

For a country like India, where rainfall is mainly confined to one season, the suitable sewerage system will be________________?

A. separate system
B. combined system
C. partially combined system
D. partially separate system

Read More For a country like India, where rainfall is mainly confined to one season, the suitable sewerage system will be________________?
CHEMICAL ENGINEERING | Fuels and Combustion

‘Fuel’ can be defined as a substance which produces heat by

Question: ‘Fuel’ can be defined as a substance which produces heat by
[A].

combustion.
[B].
nuclear fission.
[C].
nuclear fusion.
[D].
all (a), (b) & (c).

Answer: Option D

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Mass Transfer

A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height.

Question: A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height.
[A].

10-15
[B].
30-40
[C].
70-80
[D].
90-100

Answer: Option A

Explanation:

No answer description available for this question.

Read More A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height.
CHEMICAL ENGINEERING | Chemical Engineering Basics

Endurance is a measure of fatigue limit of a metal. Fatigue crack in nitrided machine parts originates

Question: Endurance is a measure of fatigue limit of a metal. Fatigue crack in nitrided machine parts originates
[A].

at the surface.
[B].
within the core.
[C].
just below the surface.
[D].
anywhere on the surface.

Answer: Option B

Explanation:

No answer description available for this question.

Read More Endurance is a measure of fatigue limit of a metal. Fatigue crack in nitrided machine parts originates

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