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 None of these At a distance R/2 from the well Close to the well At a distance R from the well None of these At a distance R/2 from the well ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following methods of analysis of water distribution system is most suitable for long and narrow pipe system? Electrical analysis method Equivalent pipe method Circle method Hardy cross method Electrical analysis method Equivalent pipe method Circle method Hardy cross method ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Settling velocity increases with Size of particles Temperature of liquid Specific gravity of solid particles Depth of tank Size of particles Temperature of liquid Specific gravity of solid particles Depth of tank 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 Both (i) and (iii) Only (iii) Both (i) and (ii) Only (i) Both (i) and (iii) Only (iii) Both (i) and (ii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The phenolic compounds in public water supply should not be more than 0.001 ppm 0.1 ppm 0.01 ppm 0.0001 ppm 0.001 ppm 0.1 ppm 0.01 ppm 0.0001 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The most common cause of acidity in water is Hydrogen Carbon dioxide Nitrogen Oxygen Hydrogen Carbon dioxide Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
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