Waste Water Engineering The sewage treatment in septic tanks is due to Aerobic decomposition None of these Parasitic decomposition Anaerobic decomposition Aerobic decomposition None of these Parasitic decomposition Anaerobic decomposition ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of H₂SO₄ HCl None of these HNO₃ H₂SO₄ HCl None of these HNO₃ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering As compared to fresh river water, sea water contains oxygen 20% less 10% less 20% more 10% more 20% less 10% less 20% more 10% more ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The standard B.O.D. of water is taken for 3 days 2 days 5 days 1 day 3 days 2 days 5 days 1 day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The arrangement made for passing the sewer line below an obstruction below the hydraulic gradient lines called Inverted syphon all of these Sag pipe Depressed sewer Inverted syphon all of these Sag pipe Depressed sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering You are asked to design sewer pipes of diameters 0.4 m to 0.9 m at maximum flow, you will assume the sewer flow running at Half full Two third full Three fourth full Full depth Half full Two third full Three fourth full Full depth ANSWER DOWNLOAD EXAMIANS APP
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