Waste Water Engineering The rate of accumulation of sludge per person per year, is 10 litres 15 litres 20 litres 25 litres 10 litres 15 litres 20 litres 25 litres ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The formula V = (1/n) r2/3 Bazin’s formula Manning’s formula Kutter’s formula Chezy’s formula Bazin’s formula Manning’s formula Kutter’s formula Chezy’s formula ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 day-incubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is 100 mg/l 200 mg/l 300 mg/l 400 mg/l 100 mg/l 200 mg/l 300 mg/l 400 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A safety lamp when inserted in the upper portion of a manhole causes flames. It indicates the presence of Petrol vapours Carbondioxide gas Methane gas Hydrogen sulphide gas Petrol vapours Carbondioxide gas Methane gas Hydrogen sulphide gas ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of HNO₃ None of these HCl H₂SO₄ HNO₃ None of these HCl H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dry weather flow is: Average monthly rate of flow Average annual rate of flow Average daily rate of flow Water supply allowance per capita Average monthly rate of flow Average annual rate of flow Average daily rate of flow Water supply allowance per capita ANSWER DOWNLOAD EXAMIANS APP