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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

100000 m³
180000 m³
150000 m³
270000 m³

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Environmental Engineering
Select the correct relationship between porosity (N), specific yield (y) and specific retention (R)

y = N + R
R > (N + y)
R = N + y
N = y + R

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Environmental Engineering
Generally the detention period for grit chambers is kept as

5 minutes
24 hours
1 minute
12 hours

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Environmental Engineering
The type of valve, which is provided on the suction pipe in a tube-well, is

Pressure relief valve
Air relief valve
Reflux valve
Sluice valve

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Environmental Engineering
Most suitable section of sewer in separate sewage system is

Modified egg shaped section
Circular section
Standard form of egg shaped sewer
Rectangular section

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Environmental Engineering
The maximum permissible limit for fluoride in drinking water is

0.1 mg/liter
10 mg/liter
5 mg/liter
1.5 mg/liter

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MORE MCQ ON Environmental Engineering

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