Waste Water Engineering Bottom openings 15 cm × 15 cm in the standing baffle wall are provided 15 cm c/c 30 cm c/c 22.5 cm c/c 50 cm c/c 15 cm c/c 30 cm c/c 22.5 cm c/c 50 cm c/c ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal values of over flow rates for secondary sedimentation tanks, ranges between 50,000 to 60,000 litres/sqm/day 80,000 to 10,000 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 10,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A safety lamp when inserted in the upper portion of a manhole causes flames. It indicates the presence of Hydrogen sulphide gas Methane gas Carbondioxide gas Petrol vapours Hydrogen sulphide gas Methane gas Carbondioxide gas Petrol vapours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewerage system originates from Main sewers Lateral sewers Branch sewers House sewers Main sewers Lateral sewers Branch sewers House sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Water content of sewage is about 0.999 0.9 0.95 0.99 0.999 0.9 0.95 0.99 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of Citric acid Nitric acid Hydrochloric acid Sulphuric acid Citric acid Nitric acid Hydrochloric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
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