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Environmental Engineering

Environmental Engineering
As compared to shallow wells, deep wells have

Less discharge
More discharge
More depth
Less depth

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Environmental Engineering
If the sewage contains grease and fatty oils, these are removed in

Sedimentation tanks
Grit chambers
Skimming tanks
Detritus tanks

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Environmental Engineering
Which of the following compounds is widely used for algae control?

Copper sulphate
Sodium sulphate
Sodium chloride
Calcium chloride

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Environmental Engineering
Which of the following sewers is preferred for combined system of sewage?

Rectangular sewer
None of these
Circular sewer
Egg shaped sewer

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Environmental Engineering
In water treatment, rapid gravity filters are adopted to remove

Bacteria and colloidal solids
Floating solids and dissolved inorganic solids
Dissolved solids and dissolved gases
Dissolved organic substances

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Environmental Engineering
Average rate of water consumption per head per day as per Indian Standard is

200 liters
100 liters
135 liters
165 liters

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