Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 24 to 36 hours 16 to 24 hours 8 to 16 hours 4 to 8 hours 24 to 36 hours 16 to 24 hours 8 to 16 hours 4 to 8 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic bacterias Consume organic matter as their food Flourish in the presence of free oxygen Oxidise organic matter in sewage All of these Consume organic matter as their food Flourish in the presence of free oxygen Oxidise organic matter in sewage All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Primary treatment of sewage consists of removal of Large suspended organic solids Floating materials Sand and girt Oil and grease Large suspended organic solids Floating materials Sand and girt Oil and grease ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following statements regarding septic tanks is wrong? The minimum width of septic level is 90 cm A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided The depth of tank is kept equal to its width The outlet invert level is kept 5 to 7.5 cm below the inlet invert level The minimum width of septic level is 90 cm A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided The depth of tank is kept equal to its width The outlet invert level is kept 5 to 7.5 cm below the inlet invert level ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sludge banks are formed if sewage is disposed of in None of these Rivers Seas Lakes None of these Rivers Seas Lakes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Removal of oil and grease from sewage, is known None of these Screening Filtration Skimming None of these Screening Filtration Skimming ANSWER DOWNLOAD EXAMIANS APP
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