Environmental Engineering The maximum permissible limit for fluoride in drinking water is 1.5 mg/liter 0.1 mg/liter 5 mg/liter 10 mg/liter 1.5 mg/liter 0.1 mg/liter 5 mg/liter 10 mg/liter 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 At a distance R from the well Close to the well At a distance R/2 from the well None of these At a distance R from the well Close to the well ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following is not a water borne disease? Malaria Typhoid Dysentery Cholera Malaria Typhoid Dysentery Cholera ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The ratio of 5 day BOD to ultimate BOD is about 1 43894 43864 43833 1 43894 43864 43833 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The self cleansing velocity for all sewers in India is usually 3.0 m/sec to 3.5 m/sec 1.0 m/sec to 1.2 m/sec Less than 1.0 m/sec 1.5 m/sec to 2.0 m/sec 3.0 m/sec to 3.5 m/sec 1.0 m/sec to 1.2 m/sec Less than 1.0 m/sec 1.5 m/sec to 2.0 m/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Scour valves are provided At street corners to control the flow of water At every summit of rising mains At every depression and dead ends to drain out the waste water that may collect there At the foot of rising main along the slope to prevent back running of water At street corners to control the flow of water At every summit of rising mains At every depression and dead ends to drain out the waste water that may collect there At the foot of rising main along the slope to prevent back running of water ANSWER DOWNLOAD EXAMIANS APP
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