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 4,00,000 4000 1,00,000 1000 4,00,000 4000 1,00,000 1000 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 Total hardness Total hardness total alkalinity Total alkalinity Non carbonate hardness Total hardness Total hardness total alkalinity Total alkalinity Non carbonate hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The process of lagooning is primarily a means of Disposing of sludge Increasing the capacity of storage reservoirs Increasing flow of sewage through imhoff tanks Reducing the excessive flow in sewers Disposing of sludge Increasing the capacity of storage reservoirs Increasing flow of sewage through imhoff tanks Reducing the excessive flow in sewers 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 Check valve Sluice valve Scour valve Safety valve Check valve Sluice valve Scour valve Safety valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The dissolved oxygen level in natural unpolluted waters at normal temperature is found to be of the order of 10 mg/liter 1000 mg/liter 1 mg/liter 100 mg/liter 10 mg/liter 1000 mg/liter 1 mg/liter 100 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Average rate of water consumption per head per day as per Indian Standard is 100 liters 200 liters 135 liters 165 liters 100 liters 200 liters 135 liters 165 liters ANSWER DOWNLOAD EXAMIANS APP
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