Environmental Engineering Orthotolidine test is used for determination of Dissolved oxygen Biochemical oxygen demand Residual chlorine Dose of coagulant Dissolved oxygen Biochemical oxygen demand Residual chlorine Dose of coagulant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of chlorine in fresh bleaching powder is about 30 to 35 10 to 15 20 to 25 40 to 50 30 to 35 10 to 15 20 to 25 40 to 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The means of access for inspection and cleaning of sewer line is known as Catch basin Manhole Inlet Drop manhole Catch basin Manhole Inlet Drop manhole ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sludge volume index is defined as the ratio of Percentage of suspended solids by weight to percentage of sludge by volume Percentage of total solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of suspended solids by weight Percentage of sludge by volume to percentage of total solids by weight Percentage of suspended solids by weight to percentage of sludge by volume Percentage of total solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of suspended solids by weight Percentage of sludge by volume to percentage of total solids by weight 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 Steel Reinforced cement concrete Copper Cast iron Steel Reinforced cement concrete Copper Cast iron ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a given discharge, the efficiency of sedimentation tank can be increased by Increasing the surface area of tank Decreasing the surface area of tank Increasing the depth of tank Decreasing the depth of tank Increasing the surface area of tank Decreasing the surface area of tank Increasing the depth of tank Decreasing the depth of tank ANSWER DOWNLOAD EXAMIANS APP