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Environmental Engineering in CE

Environmental Engineering in CE
Which of the following is a secondary air pollutant?

Photochemical smog
Nitrogen dioxide
Sulphur dioxide
Dust particles

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

Dissolved gases
Floating solids
Dissolved solids
Suspended inorganic matter

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Environmental Engineering in CE
Algae growth in water is controlled by

Bleaching
Chlorination
Aeration
Deoxidation

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Environmental Engineering in CE
TLV of NO₂ & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO₂ causes

Bronchitis
Cancer
Skin disorder
Bone disease

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

Reduction
Oxidation
Dehydration
Fermentation

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Environmental Engineering in CE
Hydrogen ion concentration in distilled water is

10⁻⁷
10⁷
7 x 10⁻⁷
7 x 10⁷

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MORE MCQ ON Environmental Engineering in CE

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