Environmental Engineering The rate of filtration in slow sand filters in million litres per day per hectare is about 100 to 150 1400 to 1500 50 to 60 500 to 600 100 to 150 1400 to 1500 50 to 60 500 to 600 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following compounds is widely used for algae control? Copper sulphate Sodium sulphate Calcium chloride Sodium chloride Copper sulphate Sodium sulphate Calcium chloride Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard BOD is measured at 25°C - 3 day 30°C - 5 day 20°C - 1 day 20°C - 5 day 25°C - 3 day 30°C - 5 day 20°C - 1 day 20°C - 5 day ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The water carriage system of collection of waste product Requires treatment before disposal All of these Is cheaper in initial cost than dry conservancy system Creates hygienic problem Requires treatment before disposal All of these Is cheaper in initial cost than dry conservancy system Creates hygienic problem ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is Zero Infinite 100 1 Zero Infinite 100 1 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 Both (i) and (ii) Only (i) All (i), (ii) and (iii) Both (i) and (iii) Both (i) and (ii) Only (i) All (i), (ii) and (iii) Both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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