Waste Water Engineering In septic tanks, All listed here The clear space between the baffle top and covering slab is about 7.5 cm Free board of 0.3 m may be provided The baffles or tees are extended up to top level of scum All listed here The clear space between the baffle top and covering slab is about 7.5 cm Free board of 0.3 m may be provided The baffles or tees are extended up to top level of scum 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 Sulphuric acid Nitric acid Hydrochloric acid Citric acid Sulphuric acid Nitric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most efficient cross-section of sewers in a combined sewerage system is Circular New egged Rectangular Parabolic Circular New egged Rectangular Parabolic ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of minimum hourly flow to the average flow of sewage is 43834 43832 43833 43894 43834 43832 43833 43894 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of a sewer is 150 mm, the gradient required for generating self cleansing velocity, is None of these 1 in 60 1 in 120 1 in 100 None of these 1 in 60 1 in 120 1 in 100 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is 100 ppm 150 ppm 200 ppm 50 ppm 100 ppm 150 ppm 200 ppm 50 ppm ANSWER DOWNLOAD EXAMIANS APP
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