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Waste Water Engineering

Waste Water Engineering
The small sewers are cleaned by

None of these
Flushing
Wooden pills
Cane rodding

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Waste Water Engineering
The rate of accumulation of sludge in septic tanks is recommended as

25 litres/person/month
30 litres/person/month
25 litres/person/year
30 litres/person/year

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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

160 cm
100 cm
120 cm
140 cm

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Waste Water Engineering
A rainfall may be classified as acidic if its pH value is less or equal to

6
5
7
6.5

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Waste Water Engineering
Water content of sewage is about

0.9
0.99
0.95
0.999

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

Pneumatic ejector
Air pressure pump
Reciprocating pump
Centrifugal pump

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MORE MCQ ON Waste Water Engineering

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