Waste Water Engineering Pick up the incorrect statement from the following for allowing workers to enter sewers The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes Warning signals should be erected Proper tests for the presence of poisonous gases must be carried out The men entering the manhole should be advised to smoke in the sewer The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes Warning signals should be erected Proper tests for the presence of poisonous gases must be carried out The men entering the manhole should be advised to smoke in the sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum diameter of sewers adopted in the designs is 4.0 m 2.0 m 3.0 m 1.0 m 4.0 m 2.0 m 3.0 m 1.0 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering You are asked to design sewer pipes of diameters 0.4 m to 0.9 m at maximum flow, you will assume the sewer flow running at Two third full Half full Full depth Three fourth full Two third full Half full Full depth Three fourth full 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 + 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 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the effect of scouring is more on Horizontal side Top side All sides Bottom side Horizontal side Top side All sides Bottom side ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of None of these HCl HNO₃ H₂SO₄ None of these HCl HNO₃ H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
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