Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of H₂SO₄ HCl HNO₃ None of these H₂SO₄ HCl HNO₃ None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention time of a circular tank of diameter d and water depth H, for receiving the sewage Q per hour, is d (0.022d + 0.085H)/Q d (0.285d + 0.011H)/Q d (0.785d + 0.011H)/Q d² (0.011d + 0.785H)/Q d (0.022d + 0.085H)/Q d (0.285d + 0.011H)/Q d (0.785d + 0.011H)/Q d² (0.011d + 0.785H)/Q ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settlement of a particle in sedimentation tank, is affected by Velocity of flow Viscosity of water All listed here Size and shape of solid Velocity of flow Viscosity of water All listed here Size and shape of solid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dry water flow in a combined sewer, is Storm water Industrial sewage Inclusive of domestic and industrial sewage but excludes storm water Domestic sewage Storm water Industrial sewage Inclusive of domestic and industrial sewage but excludes storm water Domestic sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Discrete or granular particles change their Size Shape Weight None of these Size Shape Weight None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering With self cleansing velocity in sewers Scouring occurs at bottom Silting occurs at bottom Both silting and scouring occur at bottom Neither silting nor scouring occurs at bottom Scouring occurs at bottom Silting occurs at bottom Both silting and scouring occur at bottom Neither silting nor scouring occurs at bottom ANSWER DOWNLOAD EXAMIANS APP
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