Environmental Engineering Orthotolidine test is used for determination of Dissolved oxygen Residual chlorine Dose of coagulant Biochemical oxygen demand Dissolved oxygen Residual chlorine Dose of coagulant Biochemical oxygen demand ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The layout of distribution system in which water flows towards the outer periphery is Grid iron system Radial system Ring system Dead end system Grid iron system Radial system Ring system Dead end system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of Alteration of pressure filters is Greater than that of rapid sand filters Less than that of slow sand filters Equal to that of slow sand filters In between the filtration rate of slow sand filters and rapid sand filters Greater than that of rapid sand filters Less than that of slow sand filters Equal to that of slow sand filters In between the filtration rate of slow sand filters and rapid sand filters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a given discharge, the efficiency of sedimentation tank can be increased by Increasing the depth of tank Increasing the surface area of tank Decreasing the surface area of tank Decreasing the depth of tank Increasing the depth of tank Increasing the surface area of tank Decreasing the surface area of tank Decreasing the depth of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The phenolic compounds in public water supply should not be more than 0.0001 ppm 0.1 ppm 0.01 ppm 0.001 ppm 0.0001 ppm 0.1 ppm 0.01 ppm 0.001 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Alum as a coagulant is found to be most effective when pH range of water is 2 to 4 8 to 10 4 to 6 6 to 8 2 to 4 8 to 10 4 to 6 6 to 8 ANSWER DOWNLOAD EXAMIANS APP
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