Waste Water Engineering Aerobic bacterias Consume organic matter as their food Oxidise organic matter in sewage All of these Flourish in the presence of free oxygen Consume organic matter as their food Oxidise organic matter in sewage All of these Flourish in the presence of free oxygen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a continuous flow type of sedimentation tanks Width of the tank is normally kept about 6 m Maximum horizontal flow velocity is limited to 0.3 m/minute All listed here Length of the tank is normally kept 4 to 5 times the width Width of the tank is normally kept about 6 m Maximum horizontal flow velocity is limited to 0.3 m/minute All listed here Length of the tank is normally kept 4 to 5 times the width ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of HCl H₂SO₄ None of these HNO₃ HCl H₂SO₄ None of these HNO₃ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of design discharge to the surface area of a sedimentation tank is called Overflow velocity Surface loading Overflow rate All of these Overflow velocity Surface loading Overflow rate All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering It is customary to design a sewer for D.W.F. on the basis of Average demand Twice the average demand Four times the average demand Thrice the average demand Average demand Twice the average demand Four times the average demand Thrice the average demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A cylindrical ejector having its height 2 m fills after every 10 minutes with a peak sewage discharge of 0.0157 cumec. The diameter of the ejector chamber, is 2.30 m 2.50 m 2.45 m 2.40 m 2.30 m 2.50 m 2.45 m 2.40 m ANSWER DOWNLOAD EXAMIANS APP
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