Waste Water Engineering If the diameter of a sewer is 100 mm, the gradient required for generating self cleansing velocity is 1 in 100 1 in 120 1 in 60 None of these 1 in 100 1 in 120 1 in 60 None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In trickling filter, B.O.D. is reduced to 30 to 40% 40 to 60% 60 to 80% 80 to 90% 30 to 40% 40 to 60% 60 to 80% 80 to 90% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The underground sewers are more subjected to Tensile force Shearing force Bending force Compressive force Tensile force Shearing force Bending force Compressive force ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a grit chamber of a sewage treatment plant, 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 Flow velocity 0.15 m to 0.3 m/sec is kept One minute of detention period is kept ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of Imhoff tanks, The shape is rectangular All of these The velocity of flow is restricted to 0.30 m/minute Detention period is 2 hours The shape is rectangular All of these The velocity of flow is restricted to 0.30 m/minute Detention period is 2 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For large sewers, maximum distance between manholes may be 200 m 300 m 50 m 100 m 200 m 300 m 50 m 100 m ANSWER DOWNLOAD EXAMIANS APP