Waste Water Engineering Facultative bacteria survive in The absence of oxygen The presence of oxygen Neither A nor B Both cases A and B The absence of oxygen The presence of oxygen Neither A nor B Both cases A and B ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Drop manholes are the manholes Without entry ladders With depths more than 3.5 m Without manhole covers Having drains at different levels Without entry ladders With depths more than 3.5 m Without manhole covers Having drains at different levels ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Removal of oil and grease from sewage, is known Filtration Screening Skimming None of these Filtration Screening Skimming None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer ventilating columns are generally placed at Upper ends of branch sewers Every change in the size of sewers Distances 150 m to 300 m All listed here Upper ends of branch sewers Every change in the size of sewers Distances 150 m to 300 m All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrates in sewage, the colour may be developed by adding Sulphuric acid and napthamine Potassium permanganate None of these Phenol-di -sulphuric acid and potassium hydroxide Sulphuric acid and napthamine Potassium permanganate None of these Phenol-di -sulphuric acid and potassium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to First stage demand Carbonaceous demand All of these Initial demand First stage demand Carbonaceous demand All of these Initial demand ANSWER DOWNLOAD EXAMIANS APP