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Waste Water Engineering

Waste Water Engineering
The gradient of sewers depends upon

Velocity of flow
All listed here
Diameter of the sewer
Discharge

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Waste Water Engineering
You are asked to design sewer pipes of diameters 0.4 m to 0.9 m at maximum flow, you will assume the sewer flow running at

Half full
Three fourth full
Two third full
Full depth

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Waste Water Engineering
The most efficient cross section of sewers in a separate sewerage system is

Circular
New egged
Rectangular
Parabolic

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Waste Water Engineering
In case of Imhoff tanks,

The shape is rectangular
All of these
Detention period is 2 hours
The velocity of flow is restricted to 0.30 m/minute

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Waste Water Engineering
Self-cleansing velocity is

Velocity of water at flushing
Velocity of water in a pressure filter
Velocity at which no accumulation remains in the drains
Velocity at dry weather flow

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Waste Water Engineering
Imhoff cone is used to determine

Settleable solids
Dissolved solids
Suspended solids
None of these

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MORE MCQ ON Waste Water Engineering

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