Waste Water Engineering The maximum diameter of sewers adopted in the designs is 4.0 m 3.0 m 1.0 m 2.0 m 4.0 m 3.0 m 1.0 m 2.0 m ANSWER DOWNLOAD EXAMIANS APP
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 250 mg/l 50 mg/l 100 mg/l 150 mg/l 250 mg/l 50 mg/l 100 mg/l 150 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The use of coarse screens for the disposal of sewage, may be dispensed with by Neither A nor B Shredder Both A and B Comminutor Neither A nor B Shredder Both A and B Comminutor ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Acid regression stage of sludge digestion at a temperature 21°C extends over a period of 90 days 30 days 15 days 60 days 90 days 30 days 15 days 60 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The disintegrating pump in which solid matter is broken up before passing out, is Pneumatic ejector Centrifugal pump Reciprocating pump None of these Pneumatic ejector Centrifugal pump Reciprocating pump None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewage having fully oxidised organic matter, the nitrogen exists in the form of Aluminoid nitrogen Free ammonia Nitrites Nitrates Aluminoid nitrogen Free ammonia Nitrites Nitrates ANSWER DOWNLOAD EXAMIANS APP