Environmental Engineering The velocity of flow of water in a sedimentation tank is about 15 to 30 cm/sec 5 to 10 cm/sec 15 to 30 cm/hour 15 to 30 cm/minute 15 to 30 cm/sec 5 to 10 cm/sec 15 to 30 cm/hour 15 to 30 cm/minute ANSWER DOWNLOAD EXAMIANS APP
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 devices which are installed for drawing water from the sources are called Aquiclude Aquifers Intakes Filters Aquiclude Aquifers Intakes Filters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewerage system is usually designed for 27 years 28 years 26 years 25 years 27 years 28 years 26 years 25 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The specific gravity of sewage is Slightly less than 1 Much greater than 1 Slightly greater than 1 Equal to 1 Slightly less than 1 Much greater than 1 Slightly greater than 1 Equal to 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The gas from sludge digestion tank is mainly composed of Nitrogen Methane Hydrogen sulphide Carbon dioxide Nitrogen Methane Hydrogen sulphide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP