Environmental Engineering The maximum efficiency of BOD removal is achieved in Trickling filters Aerated lagoons Oxidation pond Oxidation ditch Trickling filters Aerated lagoons Oxidation pond Oxidation ditch ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The means of access for inspection and cleaning of sewer line is known as Catch basin Inlet Drop manhole Manhole Catch basin Inlet Drop manhole Manhole ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable method for disinfection of swimming pool water is Chlorination Lime treatment Ultra violet rays treatment By using potassium permanganate Chlorination Lime treatment Ultra violet rays treatment By using potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A pipe conveying sewage from plumbing system of a single building to common sewer or point of immediate disposal is called House sewer Main sewer Sub-main sewer Lateral sewer House sewer Main sewer Sub-main sewer Lateral sewer 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 (iv) (ii) and (iii) (i) and (ii) (i) and (iv) (ii) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to higher pH values, the contact period required for efficient chlorination at lower pH values is Smaller None of these Larger Same Smaller None of these Larger Same ANSWER DOWNLOAD EXAMIANS APP
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