Environmental Engineering If Biochemical oxygen demand (BOD) of a town is 20000 kg/day and BOD per capita per day is 0.05 kg, then population equivalent of town is 1000 4,00,000 1,00,000 4000 1000 4,00,000 1,00,000 4000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally Less and more Less and less More and more More and less Less and more Less and less More and more More and less ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard BOD is measured at 30°C - 5 day 20°C - 5 day 25°C - 3 day 20°C - 1 day 30°C - 5 day 20°C - 5 day 25°C - 3 day 20°C - 1 day ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering On standard silica scale, the turbidity in drinking water should be limited to 30 ppm 20 ppm 50 ppm 10 ppm 30 ppm 20 ppm 50 ppm 10 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve which is provided to control the flow of water in the distribution system at street corners and where the pipe lines intersect is Sluice valve Check valve Scour valve Safety valve Sluice valve Check valve Scour valve Safety valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to Non carbonate hardness Total alkalinity Total hardness Total hardness total alkalinity Non carbonate hardness Total alkalinity Total hardness Total hardness total alkalinity ANSWER DOWNLOAD EXAMIANS APP
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