Waste Water Engineering The stone ware sewers Are used for carrying sewage and drainage from houses All listed here After casting are dried and burnt at temperature 150°C, 700°C and 1200°C Are manufactured from clays and shale Are used for carrying sewage and drainage from houses All listed here After casting are dried and burnt at temperature 150°C, 700°C and 1200°C Are manufactured from clays and shale ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of the diameter of a circular section and the side of a square section hydraulically equivalent, is 1.095 1.075 1.085 1.065 1.095 1.075 1.085 1.065 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 day-incubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is 400 mg/l 200 mg/l 100 mg/l 300 mg/l 400 mg/l 200 mg/l 100 mg/l 300 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering As compared to fresh river water, sea water contains oxygen 10% less 20% less 10% more 20% more 10% less 20% less 10% more 20% more ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic bacterias All of these Flourish in the presence of free oxygen Oxidise organic matter in sewage Consume organic matter as their food All of these Flourish in the presence of free oxygen Oxidise organic matter in sewage Consume organic matter as their food ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The recommended detention period for grit chambers is 1 minute 5 minutes 3 minutes 2 minutes 1 minute 5 minutes 3 minutes 2 minutes ANSWER DOWNLOAD EXAMIANS APP
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