Waste Water Engineering Maximum permissible velocity 1.5 m/sec, is adopted in drains With beds of rocks and gravels Both A. and B. Neither A. nor B. Lined with stones With beds of rocks and gravels Both A. and B. Neither A. nor B. Lined with stones ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A nuisance is experienced in diluting water if dilution factor is less than 20 40 100 60 20 40 100 60 ANSWER DOWNLOAD EXAMIANS APP
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 None of these 225 ppm 250 ppm 200 ppm None of these 225 ppm 250 ppm 200 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A manhole is generally provided at each Change of gradient Bend All of these Junction Change of gradient Bend All of these Junction ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Discrete or granular particles change their Size None of these Weight Shape Size None of these Weight Shape ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a continuous flow type of sedimentation tanks Maximum horizontal flow velocity is limited to 0.3 m/minute All listed here Length of the tank is normally kept 4 to 5 times the width Width of the tank is normally kept about 6 m Maximum horizontal flow velocity is limited to 0.3 m/minute All listed here Length of the tank is normally kept 4 to 5 times the width Width of the tank is normally kept about 6 m ANSWER DOWNLOAD EXAMIANS APP