Waste Water Engineering The sewage treatment in septic tanks is due to None of these Aerobic decomposition Parasitic decomposition Anaerobic decomposition None of these Aerobic decomposition Parasitic decomposition Anaerobic decomposition ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The effluent of a septic tank is None of these Fit for discharge into any open drain As good as that from a complete treatment Foul and contains dissolved and suspended solids None of these Fit for discharge into any open drain As good as that from a complete treatment Foul and contains dissolved and suspended solids ANSWER DOWNLOAD EXAMIANS APP
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’ = 0.64 D D’ = 0.84 D D’ = 0.74 D D’ = 0.94 D D’ = 0.64 D D’ = 0.84 D ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Imhoff cone is used to determine Suspended solids Dissolved solids Settleable solids None of these Suspended solids Dissolved solids Settleable solids None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic bacterias Flourish in the presence of free oxygen Consume organic matter as their food Oxidise organic matter in sewage All of these Flourish in the presence of free oxygen Consume organic matter as their food Oxidise organic matter in sewage All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The presence of free ammonia in sewage, is detected by Adding sulphuric acid Phenol-di-sulphuric acid Adding potassium permanganate Boiling Adding sulphuric acid Phenol-di-sulphuric acid Adding potassium permanganate Boiling ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS