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Environmental Engineering in CE

Environmental Engineering in CE
Which of the following is not a secondary air pollutant?

All of these
Ozone
Photochemical smog
Sulphur dioxide

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Environmental Engineering in CE
Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage?

Hydrogen fluoride & nitrogen oxides
Carbon monoxide
Sulphur dioxide & spray of weed killers
Smog & ozone

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Environmental Engineering in CE
As compared to rapid sand filters, slow sand filters give
(i) Slower filtration rate
(ii) Higher filtration rate
(iii) Lesser efficiency in removal of bacteria
(iv) Higher efficiency in removal of bacteria
The correct answer is

(ii) and (iv)
(i) and (iv)
(i) and (ii)
(ii) and (iii)

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

Cadmium
Mercury
Hydrogen sulphide
Asbestos

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Environmental Engineering in CE
Which of the following sources is responsible for maximum air pollution?

Automobiles exhaust
Forest fire
Photochemical oxidation of organic matter
Industrial chimney exhaust

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

Suspended inorganic matter
Dissolved solids
Dissolved gases
Floating solids

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MORE MCQ ON Environmental Engineering in CE

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