Waste Water Engineering In normal conditions, the period for sludge digestion, is 10 days 30 days 20 days 60 days 10 days 30 days 20 days 60 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Clogging of sewers, is caused due to All of these Silting Greasy and oily matters Low discharge All of these Silting Greasy and oily matters Low discharge ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 day-incubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is 100 mg/l 300 mg/l 200 mg/l 400 mg/l 100 mg/l 300 mg/l 200 mg/l 400 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk and out-fall, the type of sewers generally used, is Parabolic shaped Standard egg shaped Horse shoe shaped Circular shaped Parabolic shaped Standard egg shaped Horse shoe shaped Circular shaped ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum depth of sedimentation tanks, is kept 4.5 m 3 m 4 m 3.5 m 4.5 m 3 m 4 m 3.5 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Cement concrete sewers are only suitable if non-scouring velocity is between 2.5 to 3.0 m/sec 3.0 to 4.0 m/sec 4.5 to 5.5 m/sec 3.5 to 4.5 m/sec 2.5 to 3.0 m/sec 3.0 to 4.0 m/sec 4.5 to 5.5 m/sec 3.5 to 4.5 m/sec ANSWER DOWNLOAD EXAMIANS APP