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Environmental Engineering in CE

Environmental Engineering in CE
Which of the following is the most major constituents of air pollutants?

Carbon monoxide
Oxides of nitrogen
Hydrogen sulphide
Oxides of sulphur

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Environmental Engineering in CE
Inorganic impurities causing water pollution is

Fats
Protein
Carbohydrates
Salts of metals

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Environmental Engineering in CE
Exposure to small amount of __________ results in high blood pressure & heart disease in human beings.

Hydrogen sulphide
Cadmium
Asbestos
Mercury

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Environmental Engineering in CE
TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm.

25
1000
0.1
100

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Environmental Engineering in CE
In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks.

1 to 2
4 to 5
9 to 10
15 to 20

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Environmental Engineering in CE
The pH value of potable water should be between

6.5 to 8
4 to 5
13 to 14
1 to 1.5

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MORE MCQ ON Environmental Engineering in CE

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