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Waste Water Engineering

Waste Water Engineering
The sewer pipe which carries sewage from a building for immediate disposal is

Lateral sewer
Intercepting sewer
Main sewer
House sewer

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Waste Water Engineering
If the flame of a miner’s safety lamp in a manhole extinguishes within 5 minutes, the sewer certainly contains

Carbon dioxide
Hydrogen sulphide
Methane
Oxygen

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Waste Water Engineering
Sewer pipes are designed for maximum discharge with 25% to 33% vacant cross-sectional area for

All of these
Unexpected large scale infiltration of stream water
Unexpected increase in the population
Under estimates of maximum and average flows

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

Rectangular
Circular
Parabolic
New egged

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Waste Water Engineering
Fresh sewage is generally

Highly decomposed
Alkaline
Acidic
A source of objectionable odour

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Waste Water Engineering
For sewers, inverted siphon is provided for

Three pipes
One pipe
Two pipes
Four pipes

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MORE MCQ ON Waste Water Engineering

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