Environmental Engineering Orthotolidine test is used for determination of Residual chlorine Biochemical oxygen demand Dose of coagulant Dissolved oxygen Residual chlorine Biochemical oxygen demand Dose of coagulant Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The characteristics of fresh and septic sewage respectively are Alkaline and acidic Both acidic Acidic and alkaline Both alkaline Alkaline and acidic Both acidic Acidic and alkaline Both alkaline ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewage treatment units are normally designed for 15 - 28 years 5 - 10 years 28 - 30 years 15 - 20 years 15 - 28 years 5 - 10 years 28 - 30 years 15 - 20 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Ground water is usually free from Both suspended and dissolved impurities Dissolved impurities None of these Suspended impurities Both suspended and dissolved impurities Dissolved impurities None of these Suspended impurities ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a given discharge, the efficiency of sedimentation tank can be increased by Decreasing the surface area of tank Decreasing the depth of tank Increasing the surface area of tank Increasing the depth of tank Decreasing the surface area of tank Decreasing the depth of tank Increasing the surface area of tank Increasing the depth of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Settling velocity increases with Size of particles Depth of tank Temperature of liquid Specific gravity of solid particles Size of particles Depth of tank Temperature of liquid Specific gravity of solid particles ANSWER DOWNLOAD EXAMIANS APP