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Environmental Engineering in CE

Environmental Engineering in CE
Which of the following pollutants is not emitted during volcanic eruptions?

Hydrocarbons
SO₂
H₂S
CO

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Environmental Engineering in CE
Black smoke coming out of the chimney of a furnace is an indication of the use of __________ in the furnace.

Hydrocarbon fuel
Large quantity of excess combustion air
Pulverised coal as fuel
Low amount of excess combustion air

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Environmental Engineering in CE
Which of the following is not a secondary air pollutant?

Ozone
All of these
Sulphur dioxide
Photochemical smog

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Environmental Engineering in CE
Phenolic water generated in coke ovens & by-product plant of a steel plant are disposed off by

Filtration and recycling for cooling coke oven gas
Discharging in the river stream
None of these
Quenching of hot coke

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Environmental Engineering in CE
Carcinogenic air pollutants cause

Anemia
Bone decay
Cancer
Asphyxiation (suffocation)

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Environmental Engineering in CE
Arsenic pollutant is not generated in____industries.

Beverages
Glass & ceramic
Any of these
Tanneries

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