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Waste Water Engineering

Waste Water Engineering
The sewer which received discharge from two or more main sewers, is known as

A trunk sewer
A main sewer
An intercepting sewer
An outfall sewer

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Waste Water Engineering
The minimum diameter of a sewer is kept

10 cm
15 cm
20 cm
25 cm

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Waste Water Engineering
The settlement velocity of a solid (diameter 0.5 mm, specific gravity 1.75) in water having temperature 10°C, is

313.5 cm/sec
500 cm/sec
413.5 cm/sec
213.5 cm/sec

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Waste Water Engineering
The sewerage system originates from

Lateral sewers
House sewers
Main sewers
Branch sewers

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Waste Water Engineering
In circular sewers if depth of flow is 0.2 times the full depth, the nominal gradient,

Is doubled
Is not enough
Is only provided
Is trebled

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Waste Water Engineering
For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed

2.5
3
2
1.5

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MORE MCQ ON Waste Water Engineering

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