Environmental Engineering The characteristics of fresh and septic sewage respectively are Both acidic Alkaline and acidic Both alkaline Acidic and alkaline Both acidic Alkaline and acidic Both alkaline Acidic and alkaline ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally Less and less More and less More and more Less and more Less and less More and less More and more Less and more ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The phenolic compounds in public water supply should not be more than 0.001 ppm 0.0001 ppm 0.01 ppm 0.1 ppm 0.001 ppm 0.0001 ppm 0.01 ppm 0.1 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The design discharge for the combined sewer system shall be taken as Rainfall + 2 DWF Rainfall + DWF Equal to rainfall Rainfall + 6 DWF Rainfall + 2 DWF Rainfall + DWF Equal to rainfall Rainfall + 6 DWF ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The settling velocity of a particle in a sedimentation tank increases if The depth of tank is decreased The surface area of tank is increased None of these Particle size is decreased The depth of tank is decreased The surface area of tank is increased None of these Particle size is decreased ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Period of cleaning of slow sand filters is about 24 - 48 hours 2 - 3 months 10 - 12 days 1 - 2 year 24 - 48 hours 2 - 3 months 10 - 12 days 1 - 2 year ANSWER DOWNLOAD EXAMIANS APP