Environmental Engineering The design discharge for the combined sewer system shall be taken as Rainfall + 2 DWF Rainfall + DWF Rainfall + 6 DWF Equal to rainfall Rainfall + 2 DWF Rainfall + DWF Rainfall + 6 DWF Equal to rainfall ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Cleaning is done by (i) Scraping and removal in filters slow sand (ii) Back washing in slow sand filters (iii) Scraping and removal in filters rapid sand (iv) Back washing in rapid sand filters The correct answer is (i) and (iv) (i) and (ii) (ii) and (iii) (ii) and (iv) (i) and (iv) (i) and (ii) (ii) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Septic tank is a (i) Settling tank (ii) Digestion tank (iii) Aeration tank (i) and (iii) Only (iii) (i) and (ii) Only (i) (i) and (iii) Only (iii) (i) and (ii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following retards the self purification of stream? Satisfying oxygen demand Higher temperature None of these Sunlight Satisfying oxygen demand Higher temperature None of these Sunlight ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of sewer which is suitable for both combined and separate system is Horseshoe type sewer Circular sewer Egg shaped sewer Semi-elliptical sewer Horseshoe type sewer Circular sewer Egg shaped sewer Semi-elliptical sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The ratio of 5 day BOD to ultimate BOD is about 43833 1 43864 43894 43833 1 43864 43894 ANSWER DOWNLOAD EXAMIANS APP
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