1672Civil EngineeringMedium
Pick up the incorrect statement from the following for allowing workers to enter sewers________?
AWarning signals should be erected
BProper tests for the presence of poisonous gases must be carried out
CThe particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes
DThe men entering the manhole should be advised to smoke in the sewer
Correct answer
D. The men entering the manhole should be advised to smoke in the sewer
Explanation
The correct answer is The men entering the manhole should be advised to smoke in the sewer.