Environmental Engineering The hourly variation factor is usually taken as 1.8 1.5 2.0 2.7 1.8 1.5 2.0 2.7 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) None of these At a distance R from the well At a distance R/2 from the well Close to the well None of these At a distance R from the well At a distance R/2 from the well Close to the well ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Corrosion in concrete sewers is caused by Dissolved oxygen Chlorine Septic conditions Nitrogen Dissolved oxygen Chlorine Septic conditions Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum permissible limit for fluoride in drinking water is 1.5 mg/liter 5 mg/liter 10 mg/liter 0.1 mg/liter 1.5 mg/liter 5 mg/liter 10 mg/liter 0.1 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The minimum dissolved oxygen which should always be present in water in order to save the aquatic life is 1 ppm 10 ppm 40 ppm 4 ppm 1 ppm 10 ppm 40 ppm 4 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve, which is provided on the suction pipe in a tube-well, is Sluice valve Reflux valve Air relief valve Pressure relief valve Sluice valve Reflux valve Air relief valve Pressure relief valve ANSWER DOWNLOAD EXAMIANS APP
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