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Waste Water Engineering

Waste Water Engineering
If is the diameter of upper circular portion, the overall depth of a standard egg shaped section, is

1.75 D
1.15 D
1.5 D
1.25 D

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Waste Water Engineering
If is the diameter of upper circular portion, the overall depth of New Egg shaped sewer section, is

1.250 D
1.625 D
1.425 D
1.350 D

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Waste Water Engineering
If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by

Bazin
Manning
Chezy
Kutter

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Waste Water Engineering
The ratio of maximum sewage flow to average sewage flow for mains up to 1 m in diameter, is

2
3
1.5
4

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Waste Water Engineering
The minimum diameter of a sewer is kept

20 cm
25 cm
15 cm
10 cm

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Waste Water Engineering
The pH value of sewage is determined with the help of

Potentiometer
Turbid meter
None of these
Imhoff Cone

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