Waste Water Engineering Drop manholes at the junctions of sewer lines, are provided if Two sewer lines intersect Ordinary manhole cannot be built Sewer line runs along a main road Invert level of a branch sewer is more than 60 cm that of the main sewer Two sewer lines intersect Ordinary manhole cannot be built Sewer line runs along a main road Invert level of a branch sewer is more than 60 cm that of the main sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The presence of free ammonia in sewage, is detected by Adding sulphuric acid Boiling Phenol-di-sulphuric acid Adding potassium permanganate Adding sulphuric acid Boiling Phenol-di-sulphuric acid Adding potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The liquid wastes from kitchens, bath rooms and wash basins, is not called Liquid waste None of these Sullage Sewage Liquid waste None of these Sullage Sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The disintegrating pump in which solid matter is broken up before passing out, is Centrifugal pump Pneumatic ejector None of these Reciprocating pump Centrifugal pump Pneumatic ejector None of these Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering It is customary to design a sewer for D.W.F. on the basis of Average demand Thrice the average demand Four times the average demand Twice the average demand Average demand Thrice the average demand Four times the average demand Twice the average demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Cement concrete sewers are only suitable if non-scouring velocity is between 3.5 to 4.5 m/sec 4.5 to 5.5 m/sec 3.0 to 4.0 m/sec 2.5 to 3.0 m/sec 3.5 to 4.5 m/sec 4.5 to 5.5 m/sec 3.0 to 4.0 m/sec 2.5 to 3.0 m/sec ANSWER DOWNLOAD EXAMIANS APP
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