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Environmental Engineering in CE

Environmental Engineering in CE
The function of skimming tank in sewage treatment is to remove __________ substances.

Dissolved solid
Gritty & inorganic
Oil & fatty
Suspended solid

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Environmental Engineering in CE
Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur?

Troposphere
None of these
Thermosphere
Stratosphere

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Environmental Engineering in CE
Inhalation of lead compounds present in the automobile exhausts (using leaded petrol) causes

Anaemia
All of these
Nervous system disorder
Blood poisoning

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Environmental Engineering in CE
High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes

Respiratory disease (e.g., asthma)
Reduced crop yield
Cancer
Silicosis

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Environmental Engineering in CE
Ethanolamine is an absorbant used for the removal of __________ from air/gas.

Both B & C
HF
SO₂
H₂S

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Environmental Engineering in CE
'Pneumoconiosis' is a disease caused by the inhalation of __________ dust.

Iron ore
Coal
Lime
Uranium ore

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