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
Environmental Engineering The layout of distribution system in which water flows towards the outer periphery is Dead end system Radial system Grid iron system Ring system Dead end system Radial system Grid iron system Ring system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A sewer that receives the discharge of a number of house sewers is called Lateral sewer House sewer Intercepting sewer Sub-main sewer Lateral sewer House sewer Intercepting sewer Sub-main sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to Total hardness Non carbonate hardness Total hardness total alkalinity Total alkalinity Total hardness Non carbonate hardness Total hardness total alkalinity Total alkalinity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable method of forecasting population for a young and rapidly increasing city is Geometrical increase method Incremental increase method Arithmetical increase method Graphical method Geometrical increase method Incremental increase method Arithmetical increase method Graphical method ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The pathogens can be killed by Oxidation Chlorination Nitrification None of these Oxidation Chlorination Nitrification None of these ANSWER DOWNLOAD EXAMIANS APP