Waste Water Engineering To maintain aerobic biological activity, the moisture content of the compost mass should be about 0.5 0.45 0.6 0.55 0.5 0.45 0.6 0.55 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The self-cleansing velocity of water flowing through pipe lines, is 0.5 metre/sec 1 metre/sec 0.25 metre/sec 2 metres/sec 0.5 metre/sec 1 metre/sec 0.25 metre/sec 2 metres/sec 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 For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of HNO₃ H₂SO₄ HCl None of these HNO₃ H₂SO₄ HCl None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The width of a settling tank with 2 hour detention period for treating sewage 378 cu m per hour, is 7 m 6.5 m 5.5 m 5 m 7 m 6.5 m 5.5 m 5 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrates in sewage, the colour may be developed by adding Phenol-di -sulphuric acid and potassium hydroxide None of these Potassium permanganate Sulphuric acid and napthamine Phenol-di -sulphuric acid and potassium hydroxide None of these Potassium permanganate Sulphuric acid and napthamine ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS