Environmental Engineering The design discharge for the separate sewer system shall be taken as Equal to dry weather flow (DWF) 2 × DWF 3 × DWF 6 × DWF Equal to dry weather flow (DWF) 2 × DWF 3 × DWF 6 × DWF ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The hourly variation factor is usually taken as 2.7 2.0 1.8 1.5 2.7 2.0 1.8 1.5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following retards the self purification of stream? None of these Higher temperature Satisfying oxygen demand Sunlight None of these Higher temperature Satisfying oxygen demand Sunlight ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The alum, when added as a coagulant in water Increases pH value of water Does not affect pH value of water Decreases pH value of water Does not require alkalinity in water for flocculation Increases pH value of water Does not affect pH value of water Decreases pH value of water Does not require alkalinity in water for flocculation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Double filtration is used To increase the filtration slow sand filters capacity of For isolated buildings like pools, hotels etc swimming To increase the filtration rapid sand filters capacity of All of these To increase the filtration slow sand filters capacity of For isolated buildings like pools, hotels etc swimming To increase the filtration rapid sand filters capacity of All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For satisfactory working of a sludge digestion unit, the pH range of digested sludge should be maintained as 6.5 to 8.0 8.5 to 10.0 4.5 to 6.0 10.5 to 12.0 6.5 to 8.0 8.5 to 10.0 4.5 to 6.0 10.5 to 12.0 ANSWER DOWNLOAD EXAMIANS APP
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