Waste Water Engineering A five day B.O.D. at 15°C of the sewage of a town is 100 kg/day. If the 5 day B.O.D. per head at 15°C for standard sewage is 0.1 kg/day, the population equivalent is 5000 10000 100 1000 5000 10000 100 1000 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The width of a settling tank with 2 hour detention period for treating sewage 378 cu m per hour, is 7 m 5 m 6.5 m 5.5 m 7 m 5 m 6.5 m 5.5 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering R.M.O. expenses include Running expenses All of these Maintenance expenses Operation expenses Running expenses All of these Maintenance expenses Operation expenses ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The presence of free ammonia in sewage, is detected by Adding potassium permanganate Phenol-di-sulphuric acid Adding sulphuric acid Boiling Adding potassium permanganate Phenol-di-sulphuric acid Adding sulphuric acid Boiling ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the velocity of flow should not be Less than the self-cleansing velocity Less than 10 m/sec More than the self-cleansing velocity More than 20 m/sec Less than the self-cleansing velocity Less than 10 m/sec More than the self-cleansing velocity More than 20 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The pressure exerted by The internal pressure if any, causes tensile stress in the pipe material Pressure sewers are designed to be safe in tension The sewage when running full from inside, is called internal pressure All listed here The internal pressure if any, causes tensile stress in the pipe material Pressure sewers are designed to be safe in tension The sewage when running full from inside, is called internal pressure All listed here ANSWER DOWNLOAD EXAMIANS APP
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