Discussion :: Waste Water Engineering
- Pick up the incorrect statement from the following for allowing workers to enter sewers
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A.
The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes |
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B.
Proper tests for the presence of poisonous gases must be carried out |
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C.
The men entering the manhole should be advised to smoke in the sewer |
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D.
Warning signals should be erected |
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Answer : Option C
Explanation :
Explanation Not Provided
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