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Environmental Engineering in CE

Environmental Engineering in CE
Inorganic impurities causing water pollution is

Protein
Fats
Salts of metals
Carbohydrates

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Environmental Engineering in CE
'Pneumoconiosis' is a disease caused by the inhalation of __________ dust.

Coal
Iron ore
Lime
Uranium ore

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Environmental Engineering in CE
Out of the following, TLV of __________ is the minimum (about 0.02 ppm).

Phosgene
Ozone
MIC (methyl iso-cynate)
Bromine

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Environmental Engineering in CE
80% less than 200 mesh size particles are called

Smoke
Aggregates
Grit
Powder

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Environmental Engineering in CE
Noise level inside a jet air liner in normal flight is about __________ decibels.

145
80
100
125

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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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