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Environmental Engineering in CE

Environmental Engineering in CE
The resistance of water to the passage of light through it is a measure of the

Dissolved gases
Hardness
Turbidity
Color

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Environmental Engineering in CE
Ozone is

A secondary pollutant
A primary pollutant
Impervious to ultra-violet rays
Both B & C

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Environmental Engineering in CE
Septic tanks are used for the __________ of the deposited solids.

None of these
Aerobic decomposition
Anaerobic decomposition
Separation

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Environmental Engineering in CE
Main pollutant present in automobile exhaust is

CO₂
NO
Hydrocarbons
CO

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Environmental Engineering in CE
Infective bacteria in water is killed by the __________ process.

Disinfection
None of these
Aeration
Sterilisation

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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

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

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