Waste Water Engineering If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is 100 mg/l 300 mg/l 400 mg/l 200 mg/l 100 mg/l 300 mg/l 400 mg/l 200 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For evaporation and measurement of settable solids, the apparatus used, is A test tube A breaker An Imhoff cone A jar A test tube A breaker An Imhoff cone A jar ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of 25°C 15°C 0°C 20°C 25°C 15°C 0°C 20°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrites in the sewage, the matching colour may be developed by adding None of these Sulphuric acid and napthamine Phenol-di -sulphuric acid potassium hydroxide Potassium permanganate None of these Sulphuric acid and napthamine Phenol-di -sulphuric acid potassium hydroxide Potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The non-clog pump which permits solid matter to pass out with the liquid sewage, is Reciprocating pump Pneumatic ejector None of these Centrifugal pump Reciprocating pump Pneumatic ejector None of these Centrifugal pump ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A manhole is generally provided at each All of these Bend Change of gradient Junction All of these Bend Change of gradient Junction ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS