Waste Water Engineering In case of sewer lines Water test is carried out to check water tightness of the joints Obstruction test is carried out with the help of smooth ball of diameter 13 mm All listed here Test for straightness is carried out with the help of a lamp and mirror Water test is carried out to check water tightness of the joints Obstruction test is carried out with the help of smooth ball of diameter 13 mm All listed here Test for straightness is carried out with the help of a lamp and mirror ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer pipes need be checked for None of these Minimum flow Both A and B Maximum flow None of these Minimum flow Both A and B Maximum flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Drop manholes at the junctions of sewer lines, are provided if Ordinary manhole cannot be built Two sewer lines intersect Invert level of a branch sewer is more than 60 cm that of the main sewer Sewer line runs along a main road Ordinary manhole cannot be built Two sewer lines intersect Invert level of a branch sewer is more than 60 cm that of the main sewer Sewer line runs along a main road ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is 150 mg/l 250 mg/l 50 mg/l 100 mg/l 150 mg/l 250 mg/l 50 mg/l 100 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering R.M.O. expenses include Operation expenses All of these Running expenses Maintenance expenses Operation expenses All of these Running expenses Maintenance expenses ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a continuous flow type of sedimentation tanks 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 Maximum horizontal flow velocity is limited to 0.3 m/minute All listed here ANSWER DOWNLOAD EXAMIANS APP
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