Waste Water Engineering The design period in years for pumping plants, is 1 5 to 10 2 to 3 3 to 5 1 5 to 10 2 to 3 3 to 5 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 Hydrochloric acid Citric acid Nitric acid Sulphuric acid Hydrochloric acid Citric acid Nitric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The layers of vegetable wastes and night soil alternatively piled above the ground to form a mound, is called Plateau A heap Windrow None of these Plateau A heap Windrow None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic activity is maximum In freshly produced sewage In sewer treatment plants At sewer pipes None of these In freshly produced sewage In sewer treatment plants At sewer pipes None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Lead acetate test in sewer manhole is done to test the presence of Methane gas Diesel vapours Hydrogen sulphide Carbondioxide gas Methane gas Diesel vapours Hydrogen sulphide Carbondioxide gas ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most efficient cross section of sewers in a separate sewerage system is Circular Parabolic Rectangular New egged Circular Parabolic Rectangular New egged ANSWER DOWNLOAD EXAMIANS APP
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