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 250 ppm 200 ppm None of these 225 ppm 250 ppm 200 ppm None of these 225 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which resists sulphide corrosion, is Brick sewer Lead sewer Cast iron sewer R.C. sewer Brick sewer Lead sewer Cast iron sewer R.C. sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the side of a square sewer is 1000 mm, the diameter of a hydraulically equivalent circular section, is 1065 mm 1045 mm 1095 mm 1075 mm 1065 mm 1045 mm 1095 mm 1075 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of sewer is 225 mm, the gradient required for generating self cleansing velocity, is None of these 1 in 100 1 in 120 1 in 60 None of these 1 in 100 1 in 120 1 in 60 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Discrete or granular particles change their Size Weight Shape None of these Size Weight Shape None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Traps Are used to trap the rats entering sewers Dissolve the foul gases Are water seals which prevent the entry of foul gases Create symphonic action to increase the quick disposal of sewerage Are used to trap the rats entering sewers Dissolve the foul gases Are water seals which prevent the entry of foul gases Create symphonic action to increase the quick disposal of sewerage ANSWER DOWNLOAD EXAMIANS APP
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