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Environmental Engineering in CE

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

Radioactive
Inorganic
Organic
None of these

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Environmental Engineering in CE
Lagooning process is mainly a means of the

Reduction of excessive flow in sewers
Sludge disposal
Biological treatment of wastes
None of these

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Environmental Engineering in CE
Photochemical smog is formed from automobile exhaust

All of these
By reaction of hydrocarbon & nitric oxide in presence of sunlight
Is harmful for crops and trees also besides causing eye irritation & asthma
Appears only on sunny days

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Environmental Engineering in CE
Presence of __________ hardness is responsible for the temporary hardness in water.

Calcium
Sulphate
Choride
Carbonate

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Environmental Engineering in CE
Presence of high concentration of ozone and smog in atmospheric air causes the

Embrittlement & decrease of folding resistance of paper
Cracking of rubber products
Fading of dye on textiles
Damage of electrical insulator on high tension power line

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Environmental Engineering in CE
Global warming may result in

Cyclone
Flood
All of these
Decrease in food productivity

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MORE MCQ ON Environmental Engineering in CE

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