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The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU).

CHEMICAL ENGINEERING, Environmental Engineering /
Question: The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU).
[A].

20

[B].

230

[C].

750

[D].

1500

Answer: Option B

Explanation:

No answer description available for this question.

The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU). Read More »

CHEMICAL ENGINEERING, Environmental Engineering

Direct reaction of unsaturated hydrocarbons with either NO or NO2 produces an eye irritating pollutant compound known as

CHEMICAL ENGINEERING, Environmental Engineering /
Question: Direct reaction of unsaturated hydrocarbons with either NO or NO2 produces an eye irritating pollutant compound known as
[A].

photochemical smog.

[B].

peroxy acetyl nitrate (PAN) or methyl nitrile.

[C].

benzopyrene.

[D].

poly acrylonitrile

Answer: Option B

Explanation:

No answer description available for this question.

Direct reaction of unsaturated hydrocarbons with either NO or NO2 produces an eye irritating pollutant compound known as Read More »

CHEMICAL ENGINEERING, Environmental Engineering

According to their passage, the children make life difficult for their parents

Comprehension, Verbal Ability /
Question: According to their passage, the children make life difficult for their parents
[A].

by their ceaseless curiosity

[B].

by unceasing bombardment of questions

[C].

by asking irrelevant questions

[D].

by posing profound questions

Answer: Option A

Explanation:

No answer description available for this question.

According to their passage, the children make life difficult for their parents Read More »

Comprehension, Verbal Ability

In large thermal power stations very fine particulates present in flue gas are removed by

CHEMICAL ENGINEERING, Environmental Engineering /
Question: In large thermal power stations very fine particulates present in flue gas are removed by
[A].

wet scrubber

[B].

bag filter

[C].

electrostatic precipitators

[D].

dust catcher

Answer: Option C

Explanation:

No answer description available for this question.

In large thermal power stations very fine particulates present in flue gas are removed by Read More »

CHEMICAL ENGINEERING, Environmental Engineering

Hazardous/polluting chemical industries should have an ‘exclusion zone’ with a green belt and general public access prohibited around it, covering a radius of ____ metres.

CHEMICAL ENGINEERING, Environmental Engineering /
Question: Hazardous/polluting chemical industries should have an ‘exclusion zone’ with a green belt and general public access prohibited around it, covering a radius of ____ metres.
[A].

100

[B].

1000

[C].

400

[D].

4000

Answer: Option B

Explanation:

No answer description available for this question.

Hazardous/polluting chemical industries should have an ‘exclusion zone’ with a green belt and general public access prohibited around it, covering a radius of ____ metres. Read More »

CHEMICAL ENGINEERING, Environmental Engineering

Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm).

CHEMICAL ENGINEERING, Environmental Engineering /
Question: Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm).
[A].

highly

[B].

moderately

[C].

extremely

[D].

very extremely

Answer: Option B

Explanation:

No answer description available for this question.

Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm). Read More »

CHEMICAL ENGINEERING, Environmental Engineering

According to their passage, parents do their best to discourage curiosity in their children

Comprehension, Verbal Ability /
Question: According to their passage, parents do their best to discourage curiosity in their children
[A].

because they have no time

[B].

because they have no patience to answer them

[C].

because they feel that their children ask stupid questions continuously

[D].

because they are unable to answer all the questions

Answer: Option D

Explanation:

No answer description available for this question.

According to their passage, parents do their best to discourage curiosity in their children Read More »

Comprehension, Verbal Ability