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Waste Water Engineering

Waste Water Engineering
For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of

120 cm
160 cm
140 cm
100 cm

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Waste Water Engineering
1000 kg of sewage contains

0.225 kg in solution
Both A and C of above
0.112 kg in solution
0.112 kg in suspension

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Waste Water Engineering
depends upon The Chezy’s constant C in the formula V = C

All listed here
Shape of the sewer
Size of the sewer
Roughness of sewer surface

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Waste Water Engineering
If the over land flow from the critical point to the drain is 8 km and the difference in level is 12.4 m, the inlet time is

2 hours
4 hours
5 hours
3 hours

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Waste Water Engineering
In olden days the type of section adopted in trunk and out fall sewers was

Parabolic shaped
Horse shoe shaped
Egg shaped
Circular shaped

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Waste Water Engineering
The most efficient cross-section of sewers in a combined sewerage system is

Circular
Parabolic
New egged
Rectangular

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MORE MCQ ON Waste Water Engineering

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