Waste Water Engineering If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by Manning Bazin Chezy Kutter Manning Bazin Chezy Kutter ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of sewer is 225 mm, the gradient required for generating self cleansing velocity, is 1 in 60 None of these 1 in 100 1 in 120 1 in 60 None of these 1 in 100 1 in 120 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a sludge digestion tank if the moisture content of sludge V1 litres is reduced from p1 % to p2 % the volume V2 is [(100 + P1)/(100 – P2)] V1 [(100 – P1)/(100 – P2)] V1 [(100 + P2)/(100 – P1)] V1 [(100 – P1)/(100 + P2)] V1 [(100 + P1)/(100 – P2)] V1 [(100 – P1)/(100 – P2)] V1 [(100 + P2)/(100 – P1)] V1 [(100 – P1)/(100 + P2)] V1 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 1.065 1.085 1.095 1.075 1.065 1.085 1.095 1.075 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The stone ware sewers All listed here After casting are dried and burnt at temperature 150°C, 700°C and 1200°C Are manufactured from clays and shale Are used for carrying sewage and drainage from houses All listed here After casting are dried and burnt at temperature 150°C, 700°C and 1200°C Are manufactured from clays and shale Are used for carrying sewage and drainage from houses ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The coagulant which is generally not used for treating the sewage, is Ferric sulphate Ferric chloride Alum Chlorinated coppers Ferric sulphate Ferric chloride Alum Chlorinated coppers ANSWER DOWNLOAD EXAMIANS APP
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