Waste Water Engineering For detecting the nitrites in the sewage, the matching colour may be developed by adding Potassium permanganate Sulphuric acid and napthamine Phenol-di -sulphuric acid potassium hydroxide None of these Potassium permanganate Sulphuric acid and napthamine Phenol-di -sulphuric acid potassium hydroxide None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settling velocity of the particles larger than 0.06 mm in a settling tank of depth 2.4 is 0.33 m per sec. The detention period recommended for the tank, is 30 minutes 1 hour and 30 minutes 2 hours 1 hour 30 minutes 1 hour and 30 minutes 2 hours 1 hour ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal values of over flow rates for sedimentation tanks using coagulant, ranges between 25,000 to 35,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most efficient cross-section of sewers in a combined sewerage system is New egged Circular Parabolic Rectangular New egged Circular Parabolic Rectangular ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In normal conditions, the period for sludge digestion, is 30 days 10 days 60 days 20 days 30 days 10 days 60 days 20 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Discrete or granular particles change their Weight Size Shape None of these Weight Size Shape None of these ANSWER DOWNLOAD EXAMIANS APP
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