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ENVIRONMENTAL ENGINEERING IN CE

Environmental Engineering in CE
Peroxyacyl nitrate (PAN), a pollutant is found in the

Exhaust of nitric acid plant
Exhaust of sulphuric acid plant
Automobile exhaust
Flue gas of coal based power plant

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Environmental Engineering in CE
In water treatment, alum[Al2(SO₄)3] is used for the process of

Disinfection
Filtration
Sedimentation
Coagulation

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Environmental Engineering in CE
Out of the following, TLV of __________ is maximum (about 500 ppm).

Carbon dioxide
Carbon disulphide
Acetaldehyde
Toluene

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Environmental Engineering in CE
During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank.

Digestion
Sedimentation
Both B and C
Filtration

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

Grit chamber
Trickling filter
Skimming tank
Detritus tank

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