Waste Water Engineering The rate of accumulation of sludge in septic tanks is recommended as 25 litres/person/month 25 litres/person/year 30 litres/person/month 30 litres/person/year 25 litres/person/month 25 litres/person/year 30 litres/person/month 30 litres/person/year ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the grit in grit chambers is 4.5 million litres per day, its cleaning is done Mechanically Manually Hydraulically Electrically Mechanically Manually Hydraulically Electrically ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed 2 2.5 3 1.5 2 2.5 3 1.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hume steel pipes are Both B and C Steel shell coated from inside with cement mortar Steel shell coated from outside with cement mortar Steel pipes Both B and C Steel shell coated from inside with cement mortar Steel shell coated from outside with cement mortar Steel pipes 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 The most dangerous pollutant in vehicular emissions is O₂ CO₂ SO₂ CO₂ O₂ CO₂ SO₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
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