Environmental Engineering The slope of sewer shall be Zero Given in the direction opposite to natural slope of ground Given in the direction of natural slope of ground Steeper than 1 in 20 Zero Given in the direction opposite to natural slope of ground Given in the direction of natural slope of ground Steeper than 1 in 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The amount of residual chlorine left in public water supply for safety against pathogenic bacteria is about 0.05 to 0.5 ppm 0.5 to 1.0 ppm 1.0 to 5.0 ppm 0.01 to 0.05 ppm 0.05 to 0.5 ppm 0.5 to 1.0 ppm 1.0 to 5.0 ppm 0.01 to 0.05 ppm 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 Copper Reinforced cement concrete Cast iron Steel Copper Reinforced cement concrete Cast iron ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Air binding phenomena in rapid sand filters occur due to Low temperature Excessive negative head Mud ball formation Higher turbidity in the effluent Low temperature Excessive negative head Mud ball formation Higher turbidity in the effluent ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Most suitable section of sewer in separate sewage system is Circular section Rectangular section Standard form of egg shaped sewer Modified egg shaped section Circular section Rectangular section Standard form of egg shaped sewer Modified egg shaped section ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period for oxidation ponds is usually kept as 3 months 48 hours 24 hours 10 to 15 days 3 months 48 hours 24 hours 10 to 15 days ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS