Waste Water Engineering The sewer which received discharge from two or more main sewers, is known as A trunk sewer An outfall sewer An intercepting sewer A main sewer A trunk sewer An outfall sewer An intercepting sewer A main sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hume steel pipes are Steel shell coated from outside with cement mortar Both B and C Steel pipes Steel shell coated from inside with cement mortar Steel shell coated from outside with cement mortar Both B and C Steel pipes Steel shell coated from inside with cement mortar ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design of sewers, percentage of sewage discharge is assumed 0.85 65 to 70% 75 to 80% 70 to 75% 0.85 65 to 70% 75 to 80% 70 to 75% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gradient of sewers depends upon All listed here Diameter of the sewer Velocity of flow Discharge All listed here Diameter of the sewer Velocity of flow Discharge ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a grit chamber of a sewage treatment plant, Flow velocity 0.15 m to 0.3 m/sec is kept One minute of detention period is kept All of these Depth of 0.9 m to 1.20 m is kept Flow velocity 0.15 m to 0.3 m/sec is kept One minute of detention period is kept All of these Depth of 0.9 m to 1.20 m is kept ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of HNO₃ None of these H₂SO₄ HCl HNO₃ None of these H₂SO₄ HCl ANSWER DOWNLOAD EXAMIANS APP