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Environmental Engineering in CE

Environmental Engineering in CE
The earth's atmosphere is an envelope of gases present upto a height of about __________ kms.

2000
1000
10
200

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Environmental Engineering in CE
Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm).

Very extremely
Extremely
Highly
Moderately

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

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

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Environmental Engineering in CE
Main pollutant present in automobile exhaust is

NO
CO
CO₂
Hydrocarbons

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Environmental Engineering in CE
World's worst radioactive pollution was caused by nuclear reactor disaster which occured in

Moscow (U.S.S.R.)
Chernobyl (undivided U.S.S.R.)
Arizona (U.S.A.)
Pensylvania (U.S.A.)

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Environmental Engineering in CE
Aerosols present in atmospheric air may be

Negatively charged
Combination of all A, B & C
Positively charged
Neutral

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