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Waste Water Engineering

Waste Water Engineering
Sewer pipes need be checked for

Minimum flow
Maximum flow
Both A and B
None of these

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Waste Water Engineering
The first stage of neutral process of sludge digestion, is

Acid regression
Alkaline fermentation
None of these
Acid fermentation

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Waste Water Engineering
The gas evolved in sewers is

All of these
Carbondioxide
Methane
Hydrogen sulphide

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Waste Water Engineering
The settlement of a particle in sedimentation tank, is affected by

All listed here
Viscosity of water
Size and shape of solid
Velocity of flow

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Waste Water Engineering
Maximum permissible velocity 1.5 m/sec, is adopted in drains

With beds of rocks and gravels
Neither A. nor B.
Lined with stones
Both A. and B.

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Waste Water Engineering
In SI units the power of sound is represented in

Watts
Newtons
Kgs
Joules

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