Waste Water Engineering R.M.O. expenses include Operation expenses Running expenses Maintenance expenses All of these Operation expenses Running expenses Maintenance expenses All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The porosity of sediments in sewer pipes, is usually taken as 0.012 0.011 0.01 0.013 0.012 0.011 0.01 0.013 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of HCl None of these HNO₃ H₂SO₄ HCl None of these HNO₃ H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The formula V = (1/n) r2/3 Chezy’s formula Bazin’s formula Kutter’s formula Manning’s formula Chezy’s formula Bazin’s formula Kutter’s formula Manning’s formula ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas which may cause explosion in sewers, is Carbondioxide Ammonia Carbon monoxide Methane Carbondioxide Ammonia Carbon monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering pH value of sludge during alkaline regression stage, is More than 7 More than 6 Less than 6 Less than 7 More than 7 More than 6 Less than 6 Less than 7 ANSWER DOWNLOAD EXAMIANS APP