Manhole


 
 
Concept Explanation
 

Manhole

Manholes: A manhole is a covered vertical, hole in the ground, pavement or road, above the underground sewer pipeline through which a worker can go down upto the sewer pipes for inspection, cleaning, etc. Manholes are provided every 50-60 m distance in the main sewer pipeline. Manholes are also provided at the junction of two or more sewers and at, points where there is a change in the direction of sewer line.

                       

                                                           Manhole

Sample Questions
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Question : 1

Which of the following are correct ?

(a) A manhole is a covered vertical, hole in the ground, pavement or road, above the underground sewer pipeline through which a worker can go down upto the sewer pipes for inspection, cleaning, etc.

(b) Manholes are provided every 50-60 m distance in the main sewer pipeline.

(c) Manholes are also provided at the junction of two or more sewers and at, points where there is a change in the direction of sewer line.

Right Option : D
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Explanation
Question : 2

Manholes are also provided at the junction of  ___________________ sewers and at, points where there is a change in the direction of sewer line.

Right Option : B
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Explanation
Question : 3

A  _________________   is a covered vertical, hole in the ground, pavement or road, above the underground sewer pipeline through which a worker can go down upto the sewer pipes for inspection, cleaning, etc. 

Right Option : B
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