Environmental Engineering The phenolic compounds in public water supply should not be more than 0.0001 ppm 0.01 ppm 0.001 ppm 0.1 ppm 0.0001 ppm 0.01 ppm 0.001 ppm 0.1 ppm ANSWER DOWNLOAD EXAMIANS APP
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 1,00,000 4000 4,00,000 1000 1,00,000 4000 4,00,000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following causes a decrease in per capita consumption? Good quality of water Hotter climate Better standard of living of the people Use of metering system Good quality of water Hotter climate Better standard of living of the people Use of metering system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The alum, when added as a coagulant in water Does not affect pH value of water Increases pH value of water Does not require alkalinity in water for flocculation Decreases pH value of water Does not affect pH value of water Increases pH value of water Does not require alkalinity in water for flocculation Decreases pH value of water 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
Environmental Engineering The minimum and maximum diameters of sewers shall preferably be 30 cm and 450 cm 15 cm and 300 cm 15 cm and 100 cm 60 cm and 300 cm 30 cm and 450 cm 15 cm and 300 cm 15 cm and 100 cm 60 cm and 300 cm ANSWER DOWNLOAD EXAMIANS APP
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