Waste Water Engineering A manhole is classified as shallow if its depth is between 0.9 to 1.20 m 0.4 to 0.5 m 0.7 to 0.9 m 0.5 to 0.7 m 0.9 to 1.20 m 0.4 to 0.5 m 0.7 to 0.9 m 0.5 to 0.7 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A drop manhole is provided if None of these A sewer drops from a height A branch sewer joins the main sewer at higher level A lamp is inserted to check obstruction None of these A sewer drops from a height A branch sewer joins the main sewer at higher level A lamp is inserted to check obstruction ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Drop manholes at the junctions of sewer lines, are provided if Invert level of a branch sewer is more than 60 cm that of the main sewer Sewer line runs along a main road Two sewer lines intersect Ordinary manhole cannot be built Invert level of a branch sewer is more than 60 cm that of the main sewer Sewer line runs along a main road Two sewer lines intersect Ordinary manhole cannot be built ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to Initial demand First stage demand All of these Carbonaceous demand Initial demand First stage demand All of these Carbonaceous demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bottom openings 15 cm × 15 cm in the standing baffle wall are provided 15 cm c/c 50 cm c/c 22.5 cm c/c 30 cm c/c 15 cm c/c 50 cm c/c 22.5 cm c/c 30 cm c/c ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The grit and silt of the grit chambers, may not be used for Raising low lying areas by dumping Neither A nor B Both A and B Concreting Raising low lying areas by dumping Neither A nor B Both A and B Concreting ANSWER DOWNLOAD EXAMIANS APP