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Environmental Engineering in CE

Environmental Engineering in CE
If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur.

3000 (i.e. 0.3%)
500
50
1000

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Environmental Engineering in CE
World environment day is observed every year on the 5th of

July
December
June
September

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Environmental Engineering in CE
A man exposed to excessive noise level in the working environment may suffer from

Nervousness & fatigue
Rupture of ear drum
Hearing loss
All of these

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Environmental Engineering in CE
Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes

Gastritis & diarrhea
All of these
Nervous depression
Paralysis of muscles & loss of appetite

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Environmental Engineering in CE
In sewage treatment, its sedimentation is speeded up by commonly adding

Lime
Sodium sulphate
Copper sulphate
Hydrochloric acid

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Environmental Engineering in CE
In troposphere (the weather domain), the temperature 't' at height 'h' above the spa level in metres is given by (where, temperature at sea level is 15°C and t is in °C.)

t = 15 - 0.0035h
t = 15 - 0.0065h
t = 0.0035h -15
t = 15 + 0.0065h

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MORE MCQ ON Environmental Engineering in CE

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