Environmental Engineering The suitable method for disinfection of swimming pool water is Ultra violet rays treatment Chlorination Lime treatment By using potassium permanganate Ultra violet rays treatment Chlorination Lime treatment By using potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Double filtration is used To increase the filtration rapid sand filters capacity of To increase the filtration slow sand filters capacity of For isolated buildings like pools, hotels etc swimming All of these To increase the filtration rapid sand filters capacity of To increase the filtration slow sand filters capacity of For isolated buildings like pools, hotels etc swimming All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Facultative bacteria are able to work in Presence of water Presence as well as in absence of oxygen Absence of oxygen only Presence of oxygen only Presence of water Presence as well as in absence of oxygen Absence of oxygen only Presence of oxygen only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The commonly used material for water supply pipes, which has the properties of being strong, not easily corroded and long life but is heavy and brittle, is Cast iron Reinforced cement concrete Steel Copper Cast iron Reinforced cement concrete Steel Copper 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) (ii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (ii) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of oxidation pond is that Large area is required for construction BOD removal is very low Maintenance and operation cost are high None of these Large area is required for construction BOD removal is very low Maintenance and operation cost are high None of these ANSWER DOWNLOAD EXAMIANS APP
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