Waste Water Engineering The presence of free ammonia in sewage, is detected by Boiling Phenol-di-sulphuric acid Adding sulphuric acid Adding potassium permanganate Boiling Phenol-di-sulphuric acid Adding sulphuric acid Adding potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum depth of sedimentation tanks, is kept 3.5 m 4 m 3 m 4.5 m 3.5 m 4 m 3 m 4.5 m 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 60 days 30 days 15 days 90 days 60 days 30 days 15 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the pH value of sewage is 7 It is acidic It is alkaline None of these It is neutral It is acidic It is alkaline None of these It is neutral ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Primary treatment of sewage consists of removal of Oil and grease Sand and girt Floating materials Large suspended organic solids Oil and grease Sand and girt Floating materials Large suspended organic solids ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which of the following pumps in used to pump sewage solids with liquid sewage without clogging the pump is? Reciprocating pump Centrifugal pump None of these Pneumatic ejector Reciprocating pump Centrifugal pump None of these Pneumatic ejector ANSWER DOWNLOAD EXAMIANS APP
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