Environmental Engineering If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to Total hardness Non carbonate hardness Total hardness total alkalinity Total alkalinity Total hardness Non carbonate hardness Total hardness total alkalinity Total alkalinity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Alum as a coagulant is found to be most effective when pH range of water is 6 to 8 8 to 10 4 to 6 2 to 4 6 to 8 8 to 10 4 to 6 2 to 4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The layout of distribution system in which water flows towards the outer periphery is Ring system Grid iron system Radial system Dead end system Ring system Grid iron system Radial system Dead end system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of sewer which is suitable for both combined and separate system is Horseshoe type sewer Circular sewer Egg shaped sewer Semi-elliptical sewer Horseshoe type sewer Circular sewer Egg shaped sewer Semi-elliptical sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of oxidation pond is that BOD removal is very low None of these Maintenance and operation cost are high Large area is required for construction BOD removal is very low None of these Maintenance and operation cost are high Large area is required for construction ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A pipe conveying sewage from plumbing system of a single building to common sewer or point of immediate disposal is called Lateral sewer Main sewer Sub-main sewer House sewer Lateral sewer Main sewer Sub-main sewer House sewer ANSWER DOWNLOAD EXAMIANS APP
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