Environmental Engineering Percentage of bacterial load that can be removed from water by the process of plain sedimentation is about 75 59 100 50 75 59 100 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Alum as a coagulant is found to be most effective when pH range of water is 6 to 8 4 to 6 2 to 4 8 to 10 6 to 8 4 to 6 2 to 4 8 to 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The most common cause of acidity in water is Oxygen Carbon dioxide Hydrogen Nitrogen Oxygen Carbon dioxide Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The settling velocity of a particle in a sedimentation tank increases if None of these The surface area of tank is increased Particle size is decreased The depth of tank is decreased None of these The surface area of tank is increased Particle size is decreased The depth of tank is decreased ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The hydraulic mean depth (HMD) for an egg-shaped sewer flowing two-third full is Greater than HMD when flowing full Less than HMD when flowing full Equal to HMD when flowing full None of these Greater than HMD when flowing full Less than HMD when flowing full Equal to HMD when flowing full None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The devices which are installed for drawing water from the sources are called Aquiclude Filters Aquifers Intakes Aquiclude Filters Aquifers Intakes ANSWER DOWNLOAD EXAMIANS APP