Waste Water Engineering The gas evolved in sewers is Hydrogen sulphide Methane All of these Carbondioxide Hydrogen sulphide Methane All of these Carbondioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrites in the sewage, the matching colour may be developed by adding Phenol-di -sulphuric acid potassium hydroxide Sulphuric acid and napthamine Potassium permanganate None of these Phenol-di -sulphuric acid potassium hydroxide Sulphuric acid and napthamine Potassium permanganate None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The laying of sewers is done with Theodolite Level Clinometer Magnetic compass Theodolite Level Clinometer Magnetic compass ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settlement velocity of a solid (diameter 0.5 mm, specific gravity 1.75) in water having temperature 10°C, is 213.5 cm/sec 500 cm/sec 413.5 cm/sec 313.5 cm/sec 213.5 cm/sec 500 cm/sec 413.5 cm/sec 313.5 cm/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The first stage of neutral process of sludge digestion, is Acid regression None of these Alkaline fermentation Acid fermentation Acid regression None of these Alkaline fermentation Acid fermentation ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rate of accumulation of sludge in septic tanks is recommended as 25 litres/person/year 25 litres/person/month 30 litres/person/month 30 litres/person/year 25 litres/person/year 25 litres/person/month 30 litres/person/month 30 litres/person/year ANSWER DOWNLOAD EXAMIANS APP
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