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Environmental Engineering in CE

Environmental Engineering in CE
Arsenic pollutant is not generated in____industries.

Beverages
Any of these
Tanneries
Glass & ceramic

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Environmental Engineering in CE
TLV of mercury in potable (drinking) water is about __________ ppm.

0.001
0.1
1
5

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Environmental Engineering in CE
Which of the following is the most efficient for removal of very finely divided suspended solids and colloidal matter from the polluted water stream?

Chemical coagulation
Sedimentation tank
Mechanical flocculation
Circular clarifier

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Environmental Engineering in CE
A 'body' which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the

Ionosphere
Atmospheric effect
Global warming
Green house

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Environmental Engineering in CE
Death may occur, when SO₂ concentration in atmospheric air exceeds __________ ppm.

100
20
400
200

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Environmental Engineering in CE
Pick out the wrong statement pertaining to 'green house' for the plants.

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MORE MCQ ON Environmental Engineering in CE

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