Waste Water Engineering R.M.O. expenses include All of these Operation expenses Running expenses Maintenance expenses All of these Operation expenses Running expenses Maintenance expenses ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 4 to 8 hours 16 to 24 hours 24 to 36 hours 8 to 16 hours 4 to 8 hours 16 to 24 hours 24 to 36 hours 8 to 16 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrates in sewage, the colour may be developed by adding Sulphuric acid and napthamine None of these Potassium permanganate Phenol-di -sulphuric acid and potassium hydroxide Sulphuric acid and napthamine None of these Potassium permanganate Phenol-di -sulphuric acid and potassium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Maximum permissible velocity 1.5 m/sec, is adopted in drains Lined with stones With beds of rocks and gravels Neither A. nor B. Both A. and B. Lined with stones With beds of rocks and gravels Neither A. nor B. Both A. and B. ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Acid regression stage of sludge digestion at a temperature 21°C extends over a period of 30 days 60 days 90 days 15 days 30 days 60 days 90 days 15 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D.O. concentration falls down to zero in any natural drainage, it indicates the zone of Cleaner water Recovery Active decomposition Degradation Cleaner water Recovery Active decomposition Degradation ANSWER DOWNLOAD EXAMIANS APP
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