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Environmental Engineering in CE

Environmental Engineering in CE
Removal of __________ results from the disinfection of water.

Hardness
Bacteria
Turbidity
Odour

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Environmental Engineering in CE
Which of the following is the most detrimental for water used in high pressure boiler?

Phenol
Silica
Dissolved oxygen
Turbidity

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

Grit
Aggregates
Powder
Smoke

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Environmental Engineering in CE
The permissible color for domestic water supply is __________ ppm.

20
1000
100
1

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Environmental Engineering in CE
Higher concentration of nitrogen dioxide in atmospheric air causes

Cancer
Corrosion
Asphyxiation
Bronchitis

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Environmental Engineering in CE
Which of the following is the most severe air pollutant?

CO
Hydrocarbons
NOx
SO₂

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MORE MCQ ON Environmental Engineering in CE

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