Waste Water Engineering Acid regression stage of sludge digestion at a temperature 21°C extends over a period of 30 days 15 days 90 days 60 days 30 days 15 days 90 days 60 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal values of over flow rates for secondary sedimentation tanks, ranges between 80,000 to 10,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 80,000 to 10,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The spacing of bars for perforations in coarse screens used for the treatment of sewage, is 40 mm 20 mm 50 mm 30 mm 40 mm 20 mm 50 mm 30 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most efficient cross section of sewers in a separate sewerage system is New egged Rectangular Parabolic Circular New egged Rectangular Parabolic Circular ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The grit chambers of sewage treatment plants, are generally cleaned after 7 days 14 days 2 days 12 days 7 days 14 days 2 days 12 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas which may cause explosion in sewers, is Carbon monoxide Ammonia Carbondioxide Methane Carbon monoxide Ammonia Carbondioxide Methane ANSWER DOWNLOAD EXAMIANS APP
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