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Environmental Engineering in CE

Environmental Engineering in CE
Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants?

F
Hg
NOx
SO₂

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Environmental Engineering in CE
Death may occur, when SO₂ concentration in atmospheric air exceeds __________ ppm.

100
400
200
20

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Environmental Engineering in CE
Methyl iso-cynate (MIC) gas (TLV <1 ppm), which caused Bhopal gas tragedy in 1984 falls under the category of __________ toxic gas.

Highly
Moderately
Extremely
Very extremely

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Environmental Engineering in CE
Green house effect is accentuated by

All of these
Rapid industrialisation
Deforestation
Increased transportation activity

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Environmental Engineering in CE
Irradiation of water by ultraviolet light of suitable wavelength is commonly used for disinfection of water in

Municipal sewage treatment
Iron & steel plant
Petroleum refinery
Food industry

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Environmental Engineering in CE
Reingleman chart is used for the evaluation of __________ pollution.

Water
Radioactive
Noise
Air

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