Environmental Engineering If the time of concentration is 9 minutes, then the intensity of rainfall according to British Ministry of Health formula will be 40 mm/hr 4 mm/hr 10 mm/hr 20 mm/hr 40 mm/hr 4 mm/hr 10 mm/hr 20 mm/hr ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The means of access for inspection and cleaning of sewer line is known as Inlet Drop manhole Catch basin Manhole Inlet Drop manhole Catch basin Manhole ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The depression of water table in a well due to pumping will be maximum(Where ‘R’ is the radius of influence) At a distance R from the well None of these At a distance R/2 from the well Close to the well At a distance R from the well None of these At a distance R/2 from the well Close to the well ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The hydraulic mean depth (HMD) for an egg-shaped sewer flowing two-third full is None of these Equal to HMD when flowing full Less than HMD when flowing full Greater than HMD when flowing full None of these Equal to HMD when flowing full Less than HMD when flowing full Greater than HMD when flowing full ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The commonly used material for water supply pipes, which has the properties of being strong, not easily corroded and long life but is heavy and brittle, is Reinforced cement concrete Cast iron Copper Steel Reinforced cement concrete Cast iron Copper Steel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following retards the self purification of stream? Satisfying oxygen demand Higher temperature None of these Sunlight Satisfying oxygen demand Higher temperature None of these Sunlight ANSWER DOWNLOAD EXAMIANS APP