Environmental Engineering Sewage treatment units are normally designed for 5 - 10 years 28 - 30 years 15 - 28 years 15 - 20 years 5 - 10 years 28 - 30 years 15 - 28 years 15 - 20 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The means of access for inspection and cleaning of sewer line is known as Catch basin Inlet Manhole Drop manhole Catch basin Inlet Manhole Drop manhole ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The design discharge for the separate sewer system shall be taken as 6 × DWF Equal to dry weather flow (DWF) 3 × DWF 2 × DWF 6 × DWF Equal to dry weather flow (DWF) 3 × DWF 2 × DWF ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Composting and lagooning are the methods of Sludge disposal Filtration Sludge digestion Sedimentation Sludge disposal Filtration Sludge digestion Sedimentation 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 (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection efficiency is Unaffected by pH value of water Highest at pH value equal to 7 Reduced at higher pH value of water Increased at higher pH value of water Unaffected by pH value of water Highest at pH value equal to 7 Reduced at higher pH value of water Increased at higher pH value of water ANSWER DOWNLOAD EXAMIANS APP
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