Environmental Engineering Double filtration is used To increase the filtration rapid sand filters capacity of For isolated buildings like pools, hotels etc swimming To increase the filtration slow sand filters capacity of All of these To increase the filtration rapid sand filters capacity of For isolated buildings like pools, hotels etc swimming To increase the filtration slow sand filters capacity of All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering An egg shaped section of sewer Is economical than circular section Is easy to construct Is more stable than circular section Provides self cleansing velocity at low discharges Is economical than circular section Is easy to construct Is more stable than circular section Provides self cleansing velocity at low discharges ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Average rate of water consumption per head per day as per Indian Standard is 100 liters 200 liters 165 liters 135 liters 100 liters 200 liters 165 liters 135 liters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The most commonly used sewer under culverts is Semi-elliptical sewer Circular brick sewer Circular cast iron sewer Horseshoe type sewer Semi-elliptical sewer Circular brick sewer Circular cast iron sewer Horseshoe type sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Orthotolidine test is used for determination of Dose of coagulant Residual chlorine Biochemical oxygen demand Dissolved oxygen Dose of coagulant Residual chlorine Biochemical oxygen demand Dissolved oxygen 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 (ii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
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