Waste Water Engineering The digested sludge from septic tanks, is removed after a maximum period of 4 years 3 years 5 years 3.5 years 4 years 3 years 5 years 3.5 years ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a sludge tank, the gas mainly produced, is Nitrogen Hydrogen Oxygen Carbon dioxide Nitrogen Hydrogen Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers designed with self cleansing velocity, Neither silting nor scouring occurs at the bottom The bottom is silted The bottom is scoured Both silting and scouring occur at the bottom Neither silting nor scouring occurs at the bottom The bottom is silted The bottom is scoured Both silting and scouring occur at the bottom ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In septic tanks, Free board of 0.3 m may be provided The baffles or tees are extended up to top level of scum The clear space between the baffle top and covering slab is about 7.5 cm All listed here Free board of 0.3 m may be provided The baffles or tees are extended up to top level of scum The clear space between the baffle top and covering slab is about 7.5 cm All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to First stage demand Initial demand All of these Carbonaceous demand First stage demand Initial demand All of these Carbonaceous demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering It is customary to design a sewer for D.W.F. on the basis of Four times the average demand Thrice the average demand Average demand Twice the average demand Four times the average demand Thrice the average demand Average demand Twice the average demand ANSWER DOWNLOAD EXAMIANS APP
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