Environmental Engineering The velocity of flow does not depend on Roughness of sewer Hydraulic mean depth of sewer Length of sewer Grade of sewer Roughness of sewer Hydraulic mean depth of sewer Length of sewer Grade of sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering An egg shaped section of sewer Is more stable than circular section Is economical than circular section Provides self cleansing velocity at low discharges Is easy to construct Is more stable than circular section Is economical than circular section Provides self cleansing velocity at low discharges Is easy to construct ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The self cleansing velocity for all sewers in India is usually 3.0 m/sec to 3.5 m/sec Less than 1.0 m/sec 1.0 m/sec to 1.2 m/sec 1.5 m/sec to 2.0 m/sec 3.0 m/sec to 3.5 m/sec Less than 1.0 m/sec 1.0 m/sec to 1.2 m/sec 1.5 m/sec to 2.0 m/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to cast iron pipes, steel pipes are Heavier Less susceptible to corrosion Costlier Stronger Heavier Less susceptible to corrosion Costlier Stronger ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following retards the self purification of stream? Higher temperature None of these Sunlight Satisfying oxygen demand Higher temperature None of these Sunlight Satisfying oxygen demand ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The design discharge for the separate sewer system shall be taken as Equal to dry weather flow (DWF) 2 × DWF 6 × DWF 3 × DWF Equal to dry weather flow (DWF) 2 × DWF 6 × DWF 3 × DWF ANSWER DOWNLOAD EXAMIANS APP