Waste Water Engineering For efficient working of a sewer, it must be ensured that Neither (A) nor (B) Both (A) and (B) Minimum velocity of 0.45 m/sec, is maintained at its minimum flow A maximum velocity of 0.90 m/sec, is maintained at its maximum flow Neither (A) nor (B) Both (A) and (B) Minimum velocity of 0.45 m/sec, is maintained at its minimum flow A maximum velocity of 0.90 m/sec, is maintained at its maximum flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to All of these Carbonaceous demand Initial demand First stage demand All of these Carbonaceous demand Initial demand First stage demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Depletion of ozone layer in the outer atmosphere may cause Skin cancer Bronchitis Heart disorder Lung cancer Skin cancer Bronchitis Heart disorder Lung cancer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The pressure exerted by All listed here Pressure sewers are designed to be safe in tension The sewage when running full from inside, is called internal pressure The internal pressure if any, causes tensile stress in the pipe material All listed here Pressure sewers are designed to be safe in tension The sewage when running full from inside, is called internal pressure The internal pressure if any, causes tensile stress in the pipe material ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In normal conditions, the period for sludge digestion, is 60 days 20 days 10 days 30 days 60 days 20 days 10 days 30 days ANSWER DOWNLOAD EXAMIANS APP
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 100 10000 1000 5000 100 10000 1000 ANSWER DOWNLOAD EXAMIANS APP
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