Waste Water Engineering The rate of accumulation of sludge in septic tanks is recommended as 30 litres/person/year 30 litres/person/month 25 litres/person/month 25 litres/person/year 30 litres/person/year 30 litres/person/month 25 litres/person/month 25 litres/person/year ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The drop man holes are generally provided in sewers for Industrial areas Hilly town ships Cities in plains Large town ships Industrial areas Hilly town ships Cities in plains Large town ships ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering ‘Cowl’ is provided at Lower end of ventilating column First step in manhole Upper end of the manhole Upper end of ventilating column Lower end of ventilating column First step in manhole Upper end of the manhole Upper end of ventilating column ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of H₂SO₄ None of these HCl HNO₃ H₂SO₄ None of these HCl HNO₃ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the pH value of sewage is 7 It is alkaline None of these It is neutral It is acidic It is alkaline None of these It is neutral It is acidic ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of a sewer is 100 mm, the gradient required for generating self cleansing velocity is None of these 1 in 60 1 in 120 1 in 100 None of these 1 in 60 1 in 120 1 in 100 ANSWER DOWNLOAD EXAMIANS APP
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