Waste Water Engineering The pressure exerted by Pressure sewers are designed to be safe in tension The internal pressure if any, causes tensile stress in the pipe material The sewage when running full from inside, is called internal pressure All listed here Pressure sewers are designed to be safe in tension The internal pressure if any, causes tensile stress in the pipe material The sewage when running full from inside, is called internal pressure All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In the activated sludge process Aeration is done with an admixture of previously aerated sludge Water is removed by centrifugal action Aeration is continued till stability Sludge is activated by constant stirring Aeration is done with an admixture of previously aerated sludge Water is removed by centrifugal action Aeration is continued till stability Sludge is activated by constant stirring ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewers 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 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 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the discharge of a sewer running half is 628 1.p.s., i = 0.001, and n = 0.010, the diameter of the sewer, is 1.39 m 1.69 m 1.49 m 1.59 m 1.39 m 1.69 m 1.49 m 1.59 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The density of population over 40 hectares is 250/hectare. If water supply demand per day is 200 litres and sewage discharge is 80% of water supply, the sewage flow in sewers of separate system, is 0.05552 cumec 0.0556 cumec 0.05556 cumec 0.05554 cumec 0.05552 cumec 0.0556 cumec 0.05556 cumec 0.05554 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains Oxygen Hydrogen sulphide Carbon dioxide Methane Oxygen Hydrogen sulphide Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
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