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Waste Water Engineering

Waste Water Engineering
The liquid wastes from kitchens, bath rooms and wash basins, is not called

Sullage
None of these
Sewage
Liquid waste

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Waste Water Engineering
A nuisance is experienced in diluting water if dilution factor is less than

40
60
20
100

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Waste Water Engineering
As compared to fresh river water, sea water contains oxygen

20% more
20% less
10% less
10% more

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Waste Water Engineering
The recommended detention period for grit chambers is

2 minutes
1 minute
3 minutes
5 minutes

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Waste Water Engineering
Hume steel pipes are

Both B and C
Steel shell coated from inside with cement mortar
Steel shell coated from outside with cement mortar
Steel pipes

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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

100 cm
120 cm
160 cm
140 cm

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