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Environmental Engineering in CE

Environmental Engineering in CE
The length of rectangular sedimentation tank should not be more than(Where ‘B’ is the width of the tank)

8B
4B
2B
B

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Environmental Engineering in CE
Presence of bacteria in potable (drinking) water causes

Bad odour
Turbidity
Disease
Bad taste & colour

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

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

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Environmental Engineering in CE
Which of the following acts as a natural source of air pollution?

Deforestation
Forest fire
Volcanic eruption
None of these

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Environmental Engineering in CE
In water treatment, alum[Al2(SO₄)3] is used for the process of

Coagulation
Disinfection
Filtration
Sedimentation

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Environmental Engineering in CE
Which of the following industries discharge mercury as a pollutant?

Phosphoric acid plant
Chloro-alkali industry
Beverage plant
Tanneries

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MORE MCQ ON Environmental Engineering in CE

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