Environmental Engineering In water treatment, rapid gravity filters are adopted to remove Bacteria and colloidal solids Dissolved solids and dissolved gases Dissolved organic substances Floating solids and dissolved inorganic solids Bacteria and colloidal solids Dissolved solids and dissolved gases Dissolved organic substances Floating solids and dissolved inorganic solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The commonly used material for water supply pipes, which has the properties of being strong, not easily corroded and long life but is heavy and brittle, is Steel Reinforced cement concrete Cast iron Copper Steel Reinforced cement concrete Cast iron Copper ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Dissolved oxygen in streams is Maximum at noon Same throughout the day Minimum at noon Maximum at midnight Maximum at noon Same throughout the day Minimum at noon Maximum at midnight ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum discharge of a tube well is about 50 liters/sec 5 liters/sec 1000 liters/sec 500 liters/sec 50 liters/sec 5 liters/sec 1000 liters/sec 500 liters/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The gas from sludge digestion tank is mainly composed of Carbon dioxide Nitrogen Hydrogen sulphide Methane Carbon dioxide Nitrogen Hydrogen sulphide Methane ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard EDTA (ethylene diamine tetra acetic acid) solution is used to determine the Dissolved oxygen in water Residual chlorine in water Hardness in water Turbidity in water Dissolved oxygen in water Residual chlorine in water Hardness in water Turbidity in water ANSWER DOWNLOAD EXAMIANS APP
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