Waste Water Engineering If D is the diameter of a circular sewer and D’ is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is D’ = 0.74 D D’ = 0.94 D D’ = 0.84 D D’ = 0.64 D D’ = 0.74 D D’ = 0.94 D D’ = 0.84 D D’ = 0.64 D ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A safety lamp when inserted in the upper portion of a manhole causes flames. It indicates the presence of Methane gas Petrol vapours Carbondioxide gas Hydrogen sulphide gas Methane gas Petrol vapours Carbondioxide gas Hydrogen sulphide gas 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 + 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 [(100 – P1)/(100 + P2)] V1 [(100 + P1)/(100 – P2)] V1 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of maximum sewage flow to average sewage flow for mains up to 1 m in diameter, is 3 1.5 4 2 3 1.5 4 2 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For house drainage minimum gradient is 1 in 10 1 in 80 1 in 400 1 in 60 1 in 10 1 in 80 1 in 400 1 in 60 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A sewer running partially full and hurried with back filled, fails in compression due to Weight of the back fill Superimposed traffic loads All listed here Weight of the pipe Weight of the back fill Superimposed traffic loads All listed here Weight of the pipe ANSWER DOWNLOAD EXAMIANS APP