Environmental Engineering Alum as a coagulant is found to be most effective when pH range of water is 2 to 4 6 to 8 4 to 6 8 to 10 2 to 4 6 to 8 4 to 6 8 to 10 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 Copper Steel Reinforced cement concrete Cast iron Copper Steel Reinforced cement concrete Cast iron ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following is not a water borne disease? Malaria Cholera Typhoid Dysentery Malaria Cholera Typhoid Dysentery ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The slope of sewer shall be Given in the direction of natural slope of ground Given in the direction opposite to natural slope of ground Steeper than 1 in 20 Zero Given in the direction of natural slope of ground Given in the direction opposite to natural slope of ground Steeper than 1 in 20 Zero ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Average rate of water consumption per head per day as per Indian Standard is 165 liters 200 liters 100 liters 135 liters 165 liters 200 liters 100 liters 135 liters 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 100 mg/liter 1000 mg/liter 1 mg/liter 10 mg/liter 100 mg/liter 1000 mg/liter 1 mg/liter 10 mg/liter ANSWER DOWNLOAD EXAMIANS APP
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