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Environmental Engineering in CE

Environmental Engineering in CE
Persons working in cement plants and limestone quarries are more prone to disease like

Asthma
Flourosis (bone disease)
Silicosis
Cancer

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Environmental Engineering in CE
Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels.

150
90
180
120

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Environmental Engineering in CE
Biological oxidation ponds remove organic matters present in the polluted water by

Using the activities of bacteria and other micro organisms
Aerobic oxidation
Both A & B
Neither A nor B

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

Water
Noise
Radioactive
Air

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Environmental Engineering in CE
The per capital consumption of a locality is affected by(i) Climatic conditions(ii) Quality of water(iii) Distribution pressure

Only (i)
Both (i) and (ii)
All (i), (ii) and (iii)
Both (i) and (iii)

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

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

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