Waste Water Engineering 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of 20°C 0°C 25°C 15°C 20°C 0°C 25°C 15°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In circular sewers if depth of flow is 0.2 times the full depth, the nominal gradient, Is trebled Is not enough Is only provided Is doubled Is trebled Is not enough Is only provided Is doubled ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Ventilating shafts are provided to a sewer line at every 150 m 100 m 300 m 200 m 150 m 100 m 300 m 200 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering As compared to fresh river water, sea water contains oxygen 10% less 10% more 20% more 20% less 10% less 10% more 20% more 20% less ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The spacing of man holes along a straight portion of a sewer is 300 m, the diameter of the sewer may be 1.5 m 0.9 cm > 1.5 m 1.2 m 1.5 m 0.9 cm > 1.5 m 1.2 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The screens are fixed Perpendicular to the direction of flow At an angle 30° to 60° to the direction of flow None of these Parallel to the direction of flow Perpendicular to the direction of flow At an angle 30° to 60° to the direction of flow None of these Parallel to the direction of flow ANSWER DOWNLOAD EXAMIANS APP