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Waste Water Engineering

Waste Water Engineering
Imhoff cone is used to determine

Settleable solids
Suspended solids
None of these
Dissolved solids

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Waste Water Engineering
The laying of sewers is done with

Magnetic compass
Level
Clinometer
Theodolite

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Waste Water Engineering
Discrete or granular particles change their

Weight
None of these
Size
Shape

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Waste Water Engineering
For a grit chamber, if the recommended velocity of flow is 0.2 m/sec and detention period is 2 minutes, the length of the tank, is

20 m
30 m
24 m
16 m

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Waste Water Engineering
In sewers the highest non-scouring velocity is achieved in

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

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Waste Water Engineering
Primary treatment of sewage consists of removal of

Floating materials
Large suspended organic solids
Sand and girt
Oil and grease

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