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Waste Water Engineering

Waste Water Engineering
Sewer pipes need be checked for

None of these
Both A and B
Maximum flow
Minimum flow

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Waste Water Engineering
Clogging of sewers, is caused due to

All of these
Greasy and oily matters
Silting
Low discharge

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Waste Water Engineering
If the diameter of a sewer is 150 mm, the gradient required for generating self cleansing velocity, is

1 in 100
1 in 60
1 in 120
None of these

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Waste Water Engineering
For providing an Indian type W.C., the R.C.C. slabs in the toilet portion

Should be kept 20 cm above the adjacent portion
Should be sunk by 20 cm
Should be sunk by 50 cm
Need not be sunk

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

Liquid waste
Sewage
None of these
Sullage

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Waste Water Engineering
The formula V = (1/n) r2/3

Manning’s formula
Chezy’s formula
Kutter’s formula
Bazin’s formula

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