Environmental Engineering The rate of filtration in slow sand filters in million litres per day per hectare is about 100 to 150 1400 to 1500 50 to 60 500 to 600 100 to 150 1400 to 1500 50 to 60 500 to 600 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 alkalinity Total hardness Non carbonate hardness Total alkalinity Total hardness total alkalinity Total hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of oxidation pond is that Maintenance and operation cost are high BOD removal is very low None of these Large area is required for construction Maintenance and operation cost are high BOD removal is very low None of these Large area is required for construction ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable system of sanitation for area of distributed rainfall throughout the year with less intensity is Combined system Partially separate system Separate system Partially combined system Combined system Partially separate system Separate system Partially combined system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Average rate of water consumption per head per day as per Indian Standard is 200 liters 100 liters 165 liters 135 liters 200 liters 100 liters 165 liters 135 liters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Activated carbon is used for Disinfection Removing odours Removing corrosiveness Removing hardness Disinfection Removing odours Removing corrosiveness Removing hardness ANSWER DOWNLOAD EXAMIANS APP
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