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Environmental Engineering in CE

Environmental Engineering in CE
Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes

Undesirable plant growth
Turbidity
Odour nuisances
Foaming

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

Bag filter
Electrostatic precipitators
Dust catcher
Wet scrubber

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Environmental Engineering in CE
The widest explosive limit is of __________ , thereby making it the most explosive gas.

Carbon monoxide
Hydrogen
Petrol vapor
Acetylene

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Environmental Engineering in CE
World environment day is observed every year on the 5th of

September
December
July
June

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Environmental Engineering in CE
Polluted water having low BOD are most economically treated in

Sedimentation tanks
Oxidation ponds
Sludge digester
Clarifier

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Environmental Engineering in CE
There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant?

Aluminium
Mercury
Lead
Arsenic

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MORE MCQ ON Environmental Engineering in CE

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