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Environmental Engineering

Environmental Engineering
The devices which are installed for drawing water from the sources are called

Intakes
Aquifers
Aquiclude
Filters

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Environmental Engineering
The maximum discharge of a tube well is about

1000 liters/sec
50 liters/sec
500 liters/sec
5 liters/sec

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Environmental Engineering
The overflow rate for plain sedimentation tanks is about

1000 to 1250 liters/hour/ m²
1500 to 2000 liters/hour/m²
1250 to 1500 liters/hour/m²
500 to 750 liters/hour/ m²

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Environmental Engineering
In facultative stabilization pond, the sewage is treated by

Sedimentation
Algae only
Dual action of aerobic bacteria and anaerobic bacteria
Aerobic bacteria only

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Environmental Engineering
An egg shaped section of sewer

Is easy to construct
Is more stable than circular section
Is economical than circular section
Provides self cleansing velocity at low discharges

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Environmental Engineering
As compared to cast iron pipes, steel pipes are

Less susceptible to corrosion
Stronger
Heavier
Costlier

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MORE MCQ ON Environmental Engineering

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