Environmental Engineering If Biochemical oxygen demand (BOD) of a town is 20000 kg/day and BOD per capita per day is 0.05 kg, then population equivalent of town is 4000 1000 1,00,000 4,00,000 4000 1000 1,00,000 4,00,000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve which is provided to control the flow of water in the distribution system at street corners and where the pipe lines intersect is Scour valve Check valve Safety valve Sluice valve Scour valve Check valve Safety valve Sluice valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable method for disinfection of swimming pool water is Ultra violet rays treatment Lime treatment By using potassium permanganate Chlorination Ultra violet rays treatment Lime treatment By using potassium permanganate Chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the coli form bacteria is present in a sample of water, then the coli-form test to be conducted is (i) Presumptive coli-form test (ii) Confirmed coli-form test (iii) Completed coli-form test All (i), (ii) and (iii) Only (i) Both (i) and (ii) Both (i) and (iii) All (i), (ii) and (iii) Only (i) Both (i) and (ii) Both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Residual chlorine in water is determined by Starch iodide method Both (A) and (B) Orthotolidine method None of these Starch iodide method Both (A) and (B) Orthotolidine method None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The process of lagooning is primarily a means of Disposing of sludge Increasing the capacity of storage reservoirs Reducing the excessive flow in sewers Increasing flow of sewage through imhoff tanks Disposing of sludge Increasing the capacity of storage reservoirs Reducing the excessive flow in sewers Increasing flow of sewage through imhoff tanks ANSWER DOWNLOAD EXAMIANS APP
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