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Environmental Engineering in CE

Environmental Engineering in CE
Higher concentration of nitrogen dioxide in atmospheric air causes

Cancer
Bronchitis
Asphyxiation
Corrosion

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Environmental Engineering in CE
Sulphur dioxide present in the industrial chimney exhaust gases causes

Respiratory & lung disease
Reduction in plant's productivity owing to acid rain
All of these
Corrosion of building materials

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Environmental Engineering in CE
The major reason of hydrodynamic noise (i.e., noise resulting from liquid flow) is

Boundary layer separation
Fluctuation in liquid flow
Pipe vibrations
Cavitation

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Environmental Engineering in CE
Waste/polluted water discharged from electroplating, blast furnace and coal mining industries contain mainly __________ substances.

None of these
Inorganic
Radioactive
Organic

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Environmental Engineering in CE
Which of the following is not a natural source of air pollution?

Photochemical oxidation of organic matter
None of these
Volcanic eruptions and lightening discharges
Biological decay of vegetable matter

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Environmental Engineering in CE
'Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a 'particulate'?

Photochemical smog & soot
None of these
Smoke & fumes
Dust & mists

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