Waste Water Engineering For detecting the nitrites in the sewage, the matching colour may be developed by adding Sulphuric acid and napthamine None of these Phenol-di -sulphuric acid potassium hydroxide Potassium permanganate Sulphuric acid and napthamine None of these Phenol-di -sulphuric acid potassium hydroxide Potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The stone ware sewers Are manufactured from clays and shale All listed here After casting are dried and burnt at temperature 150°C, 700°C and 1200°C Are used for carrying sewage and drainage from houses Are manufactured from clays and shale All listed here After casting are dried and burnt at temperature 150°C, 700°C and 1200°C Are used for carrying sewage and drainage from houses ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Acid regression stage of sludge digestion at a temperature 21°C extends over a period of 60 days 30 days 15 days 90 days 60 days 30 days 15 days 90 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Antisyphonage pipe is fitted At the end of septic tanks At the beginning of sewer line With a W.'trap On manholes At the end of septic tanks At the beginning of sewer line With a W.'trap On manholes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas which may cause explosion in sewers, is Methane Carbondioxide Carbon monoxide Ammonia Methane Carbondioxide Carbon monoxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention time of a circular tank of diameter d and water depth H, for receiving the sewage Q per hour, is d (0.285d + 0.011H)/Q d² (0.011d + 0.785H)/Q d (0.785d + 0.011H)/Q d (0.022d + 0.085H)/Q d (0.285d + 0.011H)/Q d² (0.011d + 0.785H)/Q d (0.785d + 0.011H)/Q d (0.022d + 0.085H)/Q ANSWER DOWNLOAD EXAMIANS APP
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