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Environmental Engineering

Environmental Engineering
If the average daily consumption of a city is 100,000 m³, the maximum daily consumption on peak hourly demand will be

270000 m³
180000 m³
150000 m³
100000 m³

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

Less susceptible to corrosion
Costlier
Heavier
Stronger

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Environmental Engineering
Which of the following unit works in anaerobic conditions?

Trickling filters
Sedimentation tank
Sludge digestion tank
Activated sludge treatment

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Environmental Engineering
The biochemical treatment of sewage effluents is essentially a process of

Oxidation
Alkalinization
Dehydration
Reduction

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Environmental Engineering
Standard EDTA (ethylene diamine tetra acetic acid) solution is used to determine the

Residual chlorine in water
Dissolved oxygen in water
Hardness in water
Turbidity in water

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Environmental Engineering
The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally

More and more
Less and less
Less and more
More and less

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