Waste Water Engineering If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is 225 ppm 200 ppm None of these 250 ppm 225 ppm 200 ppm None of these 250 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the pH value of sewage is 7 None of these It is acidic It is neutral It is alkaline None of these It is acidic It is neutral It is alkaline ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of the diameter of a circular section and the side of a square section hydraulically equivalent, is 1.075 1.085 1.095 1.065 1.075 1.085 1.095 1.065 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which of the following pumps in used to pump sewage solids with liquid sewage without clogging the pump is? Centrifugal pump None of these Reciprocating pump Pneumatic ejector Centrifugal pump None of these Reciprocating pump Pneumatic ejector ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The bottom of the sewage inlet chamber of septic tanks, is provided an outward slope 1 in 20 1 in 15 1 in 5 1 in 10 1 in 20 1 in 15 1 in 5 1 in 10 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Flocculated particles do not change their None of these Shape Size Weight None of these Shape Size Weight ANSWER DOWNLOAD EXAMIANS APP