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 Composting and lagooning are the methods of Sedimentation Filtration Sludge disposal Sludge digestion Sedimentation Filtration Sludge disposal Sludge digestion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The devices which are installed for drawing water from the sources are called Aquifers Aquiclude Intakes Filters Aquifers Aquiclude Intakes Filters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Dissolved oxygen in streams is Same throughout the day Maximum at midnight Minimum at noon Maximum at noon Same throughout the day Maximum at midnight Minimum at noon Maximum at noon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The most common cause of acidity in water is Nitrogen Oxygen Carbon dioxide Hydrogen Nitrogen Oxygen Carbon dioxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The amount of residual chlorine left in public water supply for safety against pathogenic bacteria is about 0.01 to 0.05 ppm 1.0 to 5.0 ppm 0.5 to 1.0 ppm 0.05 to 0.5 ppm 0.01 to 0.05 ppm 1.0 to 5.0 ppm 0.5 to 1.0 ppm 0.05 to 0.5 ppm ANSWER DOWNLOAD EXAMIANS APP
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