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Environmental Engineering in CE

Environmental Engineering in CE
__________ can not control the noise pollution.

Use of silencers
Green house gases
Vibration damping
Tree plantation

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

90
45
10
115

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Environmental Engineering in CE
Inorganic impurities causing water pollution is

Salts of metals
Fats
Carbohydrates
Protein

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Environmental Engineering in CE
Ambient noise level can be reduced by __________ decibels by planting trees (like coconut, neem etc.) near public utility buildings (like hospitals & schools).

15-20
43961
25-30
43832

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Environmental Engineering in CE
Fine grit present in sewage is removed in the __________ during sewage treatment.

Detritus tank
Trickling filter
Grit chamber
Skimming tank

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Environmental Engineering in CE
Which of the following is a manmade source of air pollution?

Forest fire
All of these
Automobile exhaust
Bacterial action in soil and swamp areas

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MORE MCQ ON Environmental Engineering in CE

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