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Environmental Engineering in CE

Environmental Engineering in CE
The function of skimming tank in sewage treatment is to remove __________ substances.

Oil & fatty
Suspended solid
Dissolved solid
Gritty & inorganic

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Environmental Engineering in CE
Pick out the wrong statement pertaining to 'green house' for the plants.

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Environmental Engineering in CE
TLV of aldrin in public water supply system is about __________ μg/litre.

0.5
17
1097
357

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Environmental Engineering in CE
In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks.

4 to 5
9 to 10
15 to 20
1 to 2

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

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

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Environmental Engineering in CE
Presence of excess flourine in water causes

Fluorosis
Tooth decay
Respiratory disease
Dental cavity

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MORE MCQ ON Environmental Engineering in CE

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