Environmental Engineering The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is 1 Zero Infinite 100 1 Zero Infinite 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The commonly used material for water supply pipes, which has the properties of being strong, not easily corroded and long life but is heavy and brittle, is Cast iron Reinforced cement concrete Copper Steel Cast iron Reinforced cement concrete Copper Steel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The design discharge for the combined sewer system shall be taken as Rainfall + DWF Equal to rainfall Rainfall + 6 DWF Rainfall + 2 DWF Rainfall + DWF Equal to rainfall Rainfall + 6 DWF Rainfall + 2 DWF ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Corrosion in concrete sewers is caused by Chlorine Septic conditions Nitrogen Dissolved oxygen Chlorine Septic conditions Nitrogen Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Chlorine demand of water is equal to Difference of applied and residual chlorine Residual chlorine Applied chlorine Sum of applied and residual chlorine Difference of applied and residual chlorine Residual chlorine Applied chlorine Sum of applied and residual chlorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effective size of sand particles used in slow sand filters is 0.35 to 0.60 mm 0.25 to 0.35 mm 0.60 to 1.00 mm 1.00 to 1.80 mm 0.35 to 0.60 mm 0.25 to 0.35 mm 0.60 to 1.00 mm 1.00 to 1.80 mm ANSWER DOWNLOAD EXAMIANS APP
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