Waste Water Engineering The grit chambers of sewage treatment plants, are generally cleaned after 7 days 2 days 14 days 12 days 7 days 2 days 14 days 12 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most dangerous pollutant in vehicular emissions is CO₂ SO₂ CO₂ O₂ CO₂ SO₂ CO₂ O₂ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The design period in years for pumping plants, is 3 to 5 1 2 to 3 5 to 10 3 to 5 1 2 to 3 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering pH value of sludge during alkaline regression stage, is Less than 7 Less than 6 More than 6 More than 7 Less than 7 Less than 6 More than 6 More than 7 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sludge banks are formed if sewage is disposed of in Rivers Lakes Seas None of these Rivers Lakes Seas None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In septic tanks, All listed here Free board of 0.3 m may be provided The clear space between the baffle top and covering slab is about 7.5 cm The baffles or tees are extended up to top level of scum All listed here Free board of 0.3 m may be provided The clear space between the baffle top and covering slab is about 7.5 cm The baffles or tees are extended up to top level of scum ANSWER DOWNLOAD EXAMIANS APP