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Environmental Engineering in CE

Environmental Engineering in CE
Tri-sodium phosphate is used in boiler water treatment to reduce

Suspended silica
Dissolved oxygen
Turbidity
Caustic embrittlement

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Environmental Engineering in CE
Which of the following plants does not emit appreciable amount of SO₂ in atmosphere?

Sulphuric acid plant
Thermal power plant
Petroleum refinery
Nitric acid plant

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

Bronchitis
Corrosion
Asphyxiation
Cancer

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Environmental Engineering in CE
The common pollutant generated in chlor-alkali industry and battery manufacture is

None of these
Brine
Mercury
Phosphate

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Environmental Engineering in CE
Which is a secondary air pollutant?

Dust particles
Sulphur dioxide
Photochemical smog
Nitrogen dioxide

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Environmental Engineering in CE
Average human body contains about __________ percent water by weight.

20
85
40
70

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MORE MCQ ON Environmental Engineering in CE

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