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Environmental Engineering in CE

Environmental Engineering in CE
In water treatment plant, zeolite process is used to remove the __________ of water.

Alkalinity
Iron & zinc
Hardness
Acidity

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Environmental Engineering in CE
The main industrial source of emission of hydrogen sulphide air pollutant is

Petroleum refineries
Coal based thermal power plants
Pulp and paper plant
Metallurgical roasting & smelting plant

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Environmental Engineering in CE
Fluorosis is caused due to the presence of excessive amount of __________ in drinking water.

Arsenic
Lead
Mercury
Fluoride

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

10
1000
200
2000

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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

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

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Environmental Engineering in CE
Ozone is

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

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MORE MCQ ON Environmental Engineering in CE

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