Environmental Engineering The depression of water table in a well due to pumping will be maximum(Where ‘R’ is the radius of influence) At a distance R/2 from the well None of these At a distance R from the well Close to the well At a distance R/2 from the well None of these At a distance R from the well Close to the well ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The slope of sewer shall be Steeper than 1 in 20 Given in the direction opposite to natural slope of ground Zero Given in the direction of natural slope of ground Steeper than 1 in 20 Given in the direction opposite to natural slope of ground Zero Given in the direction of natural slope of ground 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) (ii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (ii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The process in which the chlorination is done beyond the break point is known as Post chlorination Pre-chlorination Break point chlorination Super chlorination Post chlorination Pre-chlorination Break point chlorination Super chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The characteristics of fresh and septic sewage respectively are Alkaline and acidic Both alkaline Acidic and alkaline Both acidic Alkaline and acidic Both alkaline Acidic and alkaline Both acidic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of chlorine in fresh bleaching powder is about 30 to 35 40 to 50 20 to 25 10 to 15 30 to 35 40 to 50 20 to 25 10 to 15 ANSWER DOWNLOAD EXAMIANS APP