Waste Water Engineering Sewer ventilating columns are generally placed at Distances 150 m to 300 m Every change in the size of sewers All listed here Upper ends of branch sewers Distances 150 m to 300 m Every change in the size of sewers All listed here Upper ends of branch sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The angle subtended by the surface of sewer water with partial flow, at sewer centre is 120°, the depth of sewerage is 25 cm 50 cm 20 cm 40 cm 25 cm 50 cm 20 cm 40 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of maximum sewage flow to average sewage flow for mains up to 1 m in diameter, is 4 1.5 2 3 4 1.5 2 3 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering No treatment of the sewage is given if dilution factor is More than 500 Between 200 to 300 Less than 150 Between 150 to 200 More than 500 Between 200 to 300 Less than 150 Between 150 to 200 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment in septic tanks is due to Parasitic decomposition Anaerobic decomposition None of these Aerobic decomposition Parasitic decomposition Anaerobic decomposition None of these Aerobic decomposition ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrates in sewage, the colour may be developed by adding Potassium permanganate Phenol-di -sulphuric acid and potassium hydroxide Sulphuric acid and napthamine None of these Potassium permanganate Phenol-di -sulphuric acid and potassium hydroxide Sulphuric acid and napthamine None of these ANSWER DOWNLOAD EXAMIANS APP
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