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Environmental Engineering in CE

Environmental Engineering in CE
Arsenic pollutant is not generated in____industries.

Tanneries
Glass & ceramic
Beverages
Any of these

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Environmental Engineering in CE
Nitrogen oxides (NOx) is not produced in the __________ industry.

Nitric acid making
Detergent
Any of these
Nitrogenous fertiliser

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Environmental Engineering in CE
Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region called

Troposphere
Stratosphere
Thermosphere
Mesosphere

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Environmental Engineering in CE
Presence of nitrogen in high concentration in contaminated air reduces partial pressure of oxygen in lungs, thereby causing asphyxia (suffocation) leading to death from oxygen deficiency. Concentration of Nā‚‚ in contaminated air at which it acts as a natural asphyxant is ≄ __________ percent.

92
80
88
84

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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

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

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Environmental Engineering in CE
Presence of nitrates in water in excess of 50 ppm causes

Mathenoglobenemia
Asphyxiation
Gastroentetitis
Tooth decay

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