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Environmental Engineering in CE

Environmental Engineering in CE
Most of the atmospheric air pollutants are present in large quantity in

Thermosphere
Stratosphere
Mesosphere
Trophosphere

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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

Atmospheric effect
Global warming
Ionosphere
Green house

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Environmental Engineering in CE
TLV of lead for public sewer/waste water is about __________ ppm.

25
150
650
1

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

20
40
70
85

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Environmental Engineering in CE
There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth's surface in which human being along with other organisms live is called troposphere. The rate at which air temperature in the troposphere gradually decreases with height is about __________ °C/km.

15
1
6.5
0.05

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Environmental Engineering in CE
Fine grit present in sewage is removed in the __________ during sewage treatment.

Skimming tank
Grit chamber
Trickling filter
Detritus tank

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MORE MCQ ON Environmental Engineering in CE

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