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Environmental Engineering in CE

Environmental Engineering in CE
Turbidity of water is an indication of the presence of

Floating solids
Dissolved solids
Suspended inorganic matter
Dissolved gases

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Environmental Engineering in CE
Lagooning process is mainly a means of the

Reduction of excessive flow in sewers
Sludge disposal
Biological treatment of wastes
None of these

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Environmental Engineering in CE
Septic tank is a(i) Settling tank(ii) Digestion tank(iii) Aeration tank

(i) and (ii)
Only (iii)
Only (i)
(i) and (iii)

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

Oxidation
Dehydration
Fermentation
Reduction

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Environmental Engineering in CE
Noise level during normal conversation among men is about __________ decibles.

10
115
45
90

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Environmental Engineering in CE
Higher concentration of nitrogen dioxide in atmospheric air causes

Corrosion
Cancer
Asphyxiation
Bronchitis

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MORE MCQ ON Environmental Engineering in CE

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