Waste Water Engineering The minimum recommended diameter of sewers, is 5 cm 10 cm 15 cm 20 cm 5 cm 10 cm 15 cm 20 cm 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 150 ppm 50 ppm 100 ppm 200 ppm 150 ppm 50 ppm 100 ppm 200 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of None of these HCl H₂SO₄ HNO₃ None of these HCl H₂SO₄ HNO₃ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic activity is maximum In freshly produced sewage At sewer pipes In sewer treatment plants None of these In freshly produced sewage At sewer pipes In sewer treatment plants None of these 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 1 in 100 None of these 1 in 120 1 in 60 1 in 100 None of these 1 in 120 1 in 60 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The arrangement made for passing the sewer line below an obstruction below the hydraulic gradient lines called Sag pipe all of these Depressed sewer Inverted syphon Sag pipe all of these Depressed sewer Inverted syphon ANSWER DOWNLOAD EXAMIANS APP
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