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 Reinforced cement concrete Steel Cast iron Copper Reinforced cement concrete Steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Alum as a coagulant is found to be most effective when pH range of water is 4 to 6 8 to 10 6 to 8 2 to 4 4 to 6 8 to 10 6 to 8 2 to 4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following sewers is preferred for combined system of sewage? Rectangular sewer Circular sewer Egg shaped sewer None of these Rectangular sewer Circular sewer Egg shaped sewer None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of sewer which is suitable for both combined and separate system is Semi-elliptical sewer Egg shaped sewer Horseshoe type sewer Circular sewer Semi-elliptical sewer Egg shaped sewer Horseshoe type sewer Circular sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to cast iron pipes, steel pipes are Stronger Costlier Heavier Less susceptible to corrosion Stronger Costlier Heavier Less susceptible to corrosion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering On standard silica scale, the turbidity in drinking water should be limited to 50 ppm 10 ppm 30 ppm 20 ppm 50 ppm 10 ppm 30 ppm 20 ppm ANSWER DOWNLOAD EXAMIANS APP
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