Waste Water Engineering Acid regression stage of sludge digestion at a temperature 21°C extends over a period of 90 days 15 days 30 days 60 days 90 days 15 days 30 days 60 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D.O. concentration falls down to zero in any natural drainage, it indicates the zone of Recovery Active decomposition Degradation Cleaner water Recovery Active decomposition Degradation Cleaner water ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of 100 cm 160 cm 140 cm 120 cm 100 cm 160 cm 140 cm 120 cm 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 80,000 to 100,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk and out-fall, the type of sewers generally used, is Horse shoe shaped Standard egg shaped Circular shaped Parabolic shaped Horse shoe shaped Standard egg shaped Circular shaped Parabolic shaped ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Boussinesq’s equation for ascertaining unit pressure at a depth on sewers due to traffic loads, is pt = 3H3p/2 Z5 pt = 2H3p/3 Z5 pt = 3H3p/2 Z5 pt = 2H3p/3 Z5 pt = 3H3p/2 Z5 pt = 2H3p/3 Z5 pt = 3H3p/2 Z5 pt = 2H3p/3 Z5 ANSWER DOWNLOAD EXAMIANS APP