Waste Water Engineering A drop manhole is provided if A sewer drops from a height None of these A lamp is inserted to check obstruction A branch sewer joins the main sewer at higher level A sewer drops from a height None of these A lamp is inserted to check obstruction A branch sewer joins the main sewer at higher level ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For estimating the peak run off the rational formula Q = 0.0278 KpA was evolved by Kinchling All listed here Frubling Lloyd Davis Kinchling All listed here Frubling Lloyd Davis ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dried sewage after treatment is used as Fertilizer Base material for paints Building material Chemical for lowering B.O.D. Fertilizer Base material for paints Building material Chemical for lowering B.O.D. ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 day-incubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is 200 mg/l 400 mg/l 100 mg/l 300 mg/l 200 mg/l 400 mg/l 100 mg/l 300 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a peak discharge of 0.0157 cumec, with a velocity of 0.9 m/sec, the diameter of the sewer main, is 18 cm 15 cm 10 cm 12 cm 18 cm 15 cm 10 cm 12 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula Ps = 900/(t + 60) the maximum run off is 0.12 cumec 0.20 cumec 0.10 cumec 0.15 cumec 0.12 cumec 0.20 cumec 0.10 cumec 0.15 cumec ANSWER DOWNLOAD EXAMIANS APP
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