Environmental Engineering The rate of filtration in slow sand filters in million litres per day per hectare is about 1400 to 1500 50 to 60 500 to 600 100 to 150 1400 to 1500 50 to 60 500 to 600 100 to 150 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The distribution mains are designed for Average daily demand Maximum daily demand Maximum hourly demand on maximum day Maximum hourly demand Average daily demand Maximum daily demand Maximum hourly demand on maximum day Maximum hourly demand ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The disinfection efficiency of chlorine increases by (i) Decreasing the time of contact (ii) Decreasing the temperature of water (iii) Increasing the temperature of water Only (i) Both (i) and (iii) Both (i) and (ii) Only (iii) Only (i) Both (i) and (iii) Both (i) and (ii) Only (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to cast iron pipes, steel pipes are Heavier Less susceptible to corrosion Costlier Stronger Heavier Less susceptible to corrosion Costlier Stronger ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following is not a water borne disease? Cholera Malaria Dysentery Typhoid Cholera Malaria Dysentery Typhoid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The characteristics of fresh and septic sewage respectively are Alkaline and acidic Acidic and alkaline Both acidic Both alkaline Alkaline and acidic Acidic and alkaline Both acidic Both alkaline ANSWER DOWNLOAD EXAMIANS APP