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Environmental Engineering in CE

Environmental Engineering in CE
Infective bacteria in water is killed by the __________ process.

Disinfection
Sterilisation
Aeration
None of these

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Environmental Engineering in CE
Which of the following processes is involved in the biochemical treatment of sewage effluents?

Fermentation
Oxidation
Reduction
Dehydration

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

F
Hg
SO₂
NOx

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Environmental Engineering in CE
Which of the following is the most major constituents of air pollutants?

Carbon monoxide
Oxides of sulphur
Oxides of nitrogen
Hydrogen sulphide

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Environmental Engineering in CE
Smog is

A liquid particle resulting from vapor condensation
A solid particle e.g. flyash
Nothing but black smoke
A combination of smoke and fog

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Environmental Engineering in CE
Presence of volatile compounds like gasoline, oil, alcohol, ether etc. in municipal sewers may cause

Corrosion
Undesirable plant growth
Non biodegradable foam
Explosion

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MORE MCQ ON Environmental Engineering in CE

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