Environmental Engineering On standard silica scale, the turbidity in drinking water should be limited to 10 ppm 30 ppm 50 ppm 20 ppm 10 ppm 30 ppm 50 ppm 20 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The correct relation between theoretical oxygen demand (TOD), Biochemical oxygen demand (BOD) and Chemical oxygen demand (COD) is given by TOD > COD > BOD COD > BOD > TOD TOD > BOD > COD BOD > COD > TOD TOD > COD > BOD COD > BOD > TOD TOD > BOD > COD BOD > COD > TOD ANSWER DOWNLOAD EXAMIANS APP
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 Close to the well At a distance R from the well At a distance R/2 from the well None of these Close to the well At a distance R from the well ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection efficiency is Highest at pH value equal to 7 Reduced at higher pH value of water Unaffected by pH value of water Increased at higher pH value of water Highest at pH value equal to 7 Reduced at higher pH value of water Unaffected by pH value of water Increased at higher pH value of water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The process in which the chlorination is done beyond the break point is known as Super chlorination Break point chlorination Post chlorination Pre-chlorination Super chlorination Break point chlorination Post chlorination Pre-chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of cement concrete sewers is Less strength Difficulty in transportation due to heavy weight Difficulty in construction Less life Less strength Difficulty in transportation due to heavy weight Difficulty in construction Less life ANSWER DOWNLOAD EXAMIANS APP