Environmental Engineering The slope of sewer shall be Zero Given in the direction of natural slope of ground Given in the direction opposite to natural slope of ground Steeper than 1 in 20 Zero Given in the direction of natural slope of ground Given in the direction opposite to natural slope of ground Steeper than 1 in 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The settling velocity of a particle in a sedimentation tank depends on None of these Both depth and surface area of tank Depth of tank Surface area of tank None of these Both depth and surface area of tank Depth of tank Surface area of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of filtered water, which is used for backwashing in rapid sand filters, is about 2 to 4 0.4 to 1.0 5 to 7 0.2 to 0.4 2 to 4 0.4 to 1.0 5 to 7 0.2 to 0.4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Percentage of bacterial load that can be removed from water by the process of plain sedimentation is about 59 50 75 100 59 50 75 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve which allows water to flow in one direction but prevents its flow in the reverse direction is Air relief valve Reflux valve Sluice valve Pressure relief valve Air relief valve Reflux valve Sluice valve Pressure relief valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Orthotolidine test is used for determination of Dose of coagulant Residual chlorine Biochemical oxygen demand Dissolved oxygen Dose of coagulant Residual chlorine Biochemical oxygen demand Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP