Waste Water Engineering Design period of 40 to 50 years is adopted for All listed here Trunk sewers Main sewers Branch sewers All listed here Trunk sewers Main sewers Branch sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a city the ratio of the drainage to sewage is 20, the percentage discharge passing through non-monsoon periods, is 20 15 10 5 20 15 10 5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a grit chamber of a sewage treatment plant, All of these Depth of 0.9 m to 1.20 m is kept One minute of detention period is kept Flow velocity 0.15 m to 0.3 m/sec is kept All of these Depth of 0.9 m to 1.20 m is kept One minute of detention period is kept Flow velocity 0.15 m to 0.3 m/sec is kept ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewers Must be laid at least 2 to 3 m deep to collect /water from the basements All listed here Must flow under gravity ½ to ¾ full Must be of adequate size to avoid over flow Must be laid at least 2 to 3 m deep to collect /water from the basements All listed here Must flow under gravity ½ to ¾ full Must be of adequate size to avoid over flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal value of over flow rates for plain primary sedimentation tanks, ranges between 80,000 to 100,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas which may cause explosion in sewers, is Methane Carbon monoxide Ammonia Carbondioxide Methane Carbon monoxide Ammonia Carbondioxide ANSWER DOWNLOAD EXAMIANS APP
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