Waste Water Engineering Dilution method of disposing of sewage, is not preferred to When diluting water has high dissolved oxygen content When diluting water is used for water supply near the point of sewage disposed When the diluting water is having flow currents When sewage is fresh When diluting water has high dissolved oxygen content When diluting water is used for water supply near the point of sewage disposed When the diluting water is having flow currents When sewage is fresh ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal values of over flow rates for sedimentation tanks using coagulant, ranges between 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 25,000 to 35,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The non-clog pump which permits solid matter to pass out with the liquid sewage, is Pneumatic ejector Centrifugal pump None of these Reciprocating pump Pneumatic ejector Centrifugal pump None of these Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The screens are fixed None of these Perpendicular to the direction of flow At an angle 30° to 60° to the direction of flow Parallel to the direction of flow None of these Perpendicular to the direction of flow At an angle 30° to 60° to the direction of flow Parallel to the direction of flow 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 50 mg/l 100 mg/l 250 mg/l 150 mg/l 50 mg/l 100 mg/l 250 mg/l 150 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The laying of sewers is done with Clinometer Theodolite Level Magnetic compass Clinometer Theodolite Level Magnetic compass ANSWER DOWNLOAD EXAMIANS APP
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