Environmental Engineering Disinfection of water results in Removal of turbidity Complete sterilisation Killing of disease bacteria Removal of hardness Removal of turbidity Complete sterilisation Killing of disease bacteria Removal of hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of cement concrete sewers is Less life Less strength Difficulty in transportation due to heavy weight Difficulty in construction Less life Less strength Difficulty in transportation due to heavy weight Difficulty in construction ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following retards the self purification of stream? None of these Higher temperature Satisfying oxygen demand Sunlight None of these Higher temperature Satisfying oxygen demand Sunlight ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The pathogens can be killed by Chlorination None of these Nitrification Oxidation Chlorination None of these Nitrification Oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following compounds is widely used for algae control? Calcium chloride Sodium chloride Copper sulphate Sodium sulphate Calcium chloride Sodium chloride Copper sulphate Sodium sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of filtration in slow sand filters in million litres per day per hectare is about 500 to 600 1400 to 1500 50 to 60 100 to 150 500 to 600 1400 to 1500 50 to 60 100 to 150 ANSWER DOWNLOAD EXAMIANS APP
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