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Waste Water Engineering

Waste Water Engineering
Antisyphonage pipe is fitted

At the end of septic tanks
At the beginning of sewer line
With a W.'trap
On manholes

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Waste Water Engineering
The angle subtended by the surface of sewer water with partial flow, at sewer centre is 120°, the depth of sewerage is

20 cm
25 cm
40 cm
50 cm

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Waste Water Engineering
The average temperature of sewage in India, is

25°C
10°C
20°C
15°C

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Waste Water Engineering
The most widely used pump for lifting sewage is

Reciprocating pump
Air pressure pump
Centrifugal pump
Pneumatic ejector

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Waste Water Engineering
For non-scouring velocity 5 m/sec, the type of sewers generally preferred to, is

Cement concrete sewers
Stone ware sewers
Cast iron sewers
Glazed bricks sewers

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Waste Water Engineering
The width of a settling tank with 2 hour detention period for treating sewage 378 cu m per hour, is

7 m
5.5 m
6.5 m
5 m

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MORE MCQ ON Waste Water Engineering

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