Environmental Engineering The depression of water table in a well due to pumping will be maximum(Where ‘R’ is the radius of influence) 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 At a distance R/2 from the well None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following values of pH represents a stronger acid? 4 2 5 3 4 2 5 3 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The distribution mains are designed for Maximum hourly demand Maximum daily demand Average daily demand Maximum hourly demand on maximum day Maximum hourly demand Maximum daily demand Average daily demand Maximum hourly demand on maximum day ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Hardy cross method of analysis of distribution system (i) Involves successive trials (ii) Takes economic aspects into account (iii) Is time consuming (i) and (iii) All are correct (i) and (ii) Only (i) (i) and (iii) All are correct (i) and (ii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum efficiency of BOD removal is achieved in Trickling filters Oxidation ditch Oxidation pond Aerated lagoons Trickling filters Oxidation ditch Oxidation pond Aerated lagoons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following compounds is widely used for algae control? Sodium chloride Sodium sulphate Calcium chloride Copper sulphate Sodium chloride Sodium sulphate Calcium chloride Copper sulphate ANSWER DOWNLOAD EXAMIANS APP