Question

In sewerage manholes are located at every 

A. 20 to 30 m

B. 50 to 60 m

C. 80 to 100 m

D. 100 to 120 m​

Answer 1

In sewerage, manholes are located every 50 to 60 m.

Explanation:

1. Sewerage are the underground matrix of small and big pipes that carry away the sewage from the point of beginning to disposal.
2. Manholes are located at every 50 to 60 m distance from the sewer line.
3. They are also provided at the junction or two more sewers as well as the change of direction of pipes.
4. For cleaning and checking purposes they are situated at every 50 to 60 m distance.

Answer 2

In sewerage, manholes are located every 50 to 60 m.

• In the main sewer pipeline manholes are present at every 50 to 60-meter distance.
• These manholes are also present at the juncture of pipelines where direction changes are taking place.
• These access points are very much preferable for easy maintenance, blockage checking, and proper ventilation.
• The gases which get produced within sewage pipeline easily escape through perforated manholes, thus helping in ventilation.
• Sometimes pipelines can get obstructed due to large wastes and adhesive wastes, thus to remove any kind of obstruction, easily accessible manholes at a gap of 50-60 m in distance is very much required.
• Thus option B is correct and appropriate for the above statement.

To know more about manholes:

What is the significance of the construction of a manhole along the roadside

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What is the role of a manhole​

https://brainly.in/question/14238797?msp_srt_exp=5

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