Environmental Engineering The depression of water table in a well due to pumping will be maximum(Where ‘R’ is the radius of influence) None of these Close to the well At a distance R/2 from the well At a distance R from the well None of these Close to the well At a distance R/2 from the well At a distance R from the well ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering When there is no recirculation of sewage, then recirculation factor is 1 None of these Infinity 1 None of these Infinity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum efficiency of BOD removal is achieved in Oxidation ditch Trickling filters Aerated lagoons Oxidation pond Oxidation ditch Trickling filters Aerated lagoons Oxidation pond ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the time of concentration is 9 minutes, then the intensity of rainfall according to British Ministry of Health formula will be 10 mm/hr 4 mm/hr 20 mm/hr 40 mm/hr 10 mm/hr 4 mm/hr 20 mm/hr 40 mm/hr ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve which is provided to control the flow of water in the distribution system at street corners and where the pipe lines intersect is Safety valve Sluice valve Scour valve Check valve Safety valve Sluice valve Scour valve Check valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The working conditions in imhoff tanks are Aerobic in lower compartment and anaerobic in upper compartment Aerobic only anaerobic in lower compartment and aerobic in upper compartment Anaerobic only Aerobic in lower compartment and anaerobic in upper compartment Aerobic only anaerobic in lower compartment and aerobic in upper compartment Anaerobic only ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS