Waste Water Engineering A safety lamp when inserted in the upper portion of a manhole causes flames. It indicates the presence of Methane gas Petrol vapours Hydrogen sulphide gas Carbondioxide gas Methane gas Petrol vapours Hydrogen sulphide gas Carbondioxide gas ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Pick up the incorrect statement from the following for allowing workers to enter sewers The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes Warning signals should be erected The men entering the manhole should be advised to smoke in the sewer Proper tests for the presence of poisonous gases must be carried out The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes Warning signals should be erected The men entering the manhole should be advised to smoke in the sewer Proper tests for the presence of poisonous gases must be carried out ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Imhoff cone is used to measure Total organic solids Total in organic solids Settleable solids Total solids Total organic solids Total in organic solids Settleable solids Total solids ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal values of over flow rates for secondary sedimentation tanks, ranges between 25,000 to 35,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 80,000 to 10,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 80,000 to 10,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal value of over flow rates for plain primary sedimentation tanks, ranges between 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
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