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Environmental Engineering in CE

Environmental Engineering in CE
Waste/polluted water discharged from electroplating, blast furnace and coal mining industries contain mainly __________ substances.

Radioactive
Organic
None of these
Inorganic

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

MIC (methyl iso-cynate)
Ozone
Bromine
Phosgene

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Environmental Engineering in CE
The Killer gas which caused Bhopal gas tragedy in 1984 was

Phosgene
Methyl iso-cynate (MIC)
Carbon monoxide
Sulphur dioxide

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Environmental Engineering in CE
Industrial workers working in leather tanning & manufacturing units are prone to suffer from

Respirtory ailments (e.g. bronchitis)
Silicosis
Skin diseases (e.g. dermatities)
Blurred vision

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

1
25
650
150

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

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

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