Waste Water Engineering If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is 100 mg/l 50 mg/l 250 mg/l 150 mg/l 100 mg/l 50 mg/l 250 mg/l 150 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the over land flow from the critical point to the drain is 8 km and the difference in level is 12.4 m, the inlet time is 4 hours 3 hours 5 hours 2 hours 4 hours 3 hours 5 hours 2 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Kjeldahl nitrogen is a mixture of Ammonia and nitrogen Organic nitrogen and ammonia Nitrogen and organic nitrogen All listed here Ammonia and nitrogen Organic nitrogen and ammonia Nitrogen and organic nitrogen All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by Bazin Manning Kutter Chezy Bazin Manning Kutter Chezy ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design purposes, the normal rate of infiltration of ground water into the sewer, is 1500 litres/km/cm 1000 litres/km/cm 500 litres/km/cm 2000 litres/km/cm 1500 litres/km/cm 1000 litres/km/cm 500 litres/km/cm 2000 litres/km/cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most efficient cross-section of sewers in a combined sewerage system is Rectangular New egged Parabolic Circular Rectangular New egged Parabolic Circular ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS