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Environmental Engineering in CE

Environmental Engineering in CE
Siderosis is a disease caused by the inhalation of __________ dust.

None of these
Iron
Silica
Coal

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Environmental Engineering in CE
Foul odour and bad taste of water is removed by treating with

Bleaching powder
Alum
Activated carbon
Copper sulphate

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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

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

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Environmental Engineering in CE
Which of the following is the most widely used disinfectant in water treatment?

Cation exchanger
Irradiation of water by ultraviolet light
Coagulation
Chlorine

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Environmental Engineering in CE
Main pollutants released from petroleum refineries is

CO, SO₂ & H₂S
CO₂, H₂S & NO₂
CO₂, NO & SO₃
SO₃, NO₂ & CO₂

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Environmental Engineering in CE
Inhalation of lead compounds present in the automobile exhausts (using leaded petrol) causes

Nervous system disorder
Blood poisoning
All of these
Anaemia

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