Environmental Engineering The velocity of flow does not depend on Grade of sewer Length of sewer Hydraulic mean depth of sewer Roughness of sewer Grade of sewer Length of sewer Hydraulic mean depth of sewer Roughness of sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effective size of sand particles used in slow sand filters is 0.25 to 0.35 mm 0.35 to 0.60 mm 1.00 to 1.80 mm 0.60 to 1.00 mm 0.25 to 0.35 mm 0.35 to 0.60 mm 1.00 to 1.80 mm 0.60 to 1.00 mm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following retards the self purification of stream? Sunlight Higher temperature Satisfying oxygen demand None of these Sunlight Higher temperature Satisfying oxygen demand None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Septic tank is a (i) Settling tank (ii) Digestion tank (iii) Aeration tank Only (i) (i) and (iii) (i) and (ii) Only (iii) Only (i) (i) and (iii) (i) and (ii) Only (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The biochemical treatment of sewage effluents is essentially a process of Reduction Dehydration Oxidation Alkalinization Reduction Dehydration Oxidation Alkalinization 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
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