Environmental Engineering The maximum efficiency of BOD removal is achieved in Oxidation pond Trickling filters Oxidation ditch Aerated lagoons Oxidation pond Trickling filters Oxidation ditch Aerated lagoons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following sewers is preferred for combined system of sewage? Egg shaped sewer Rectangular sewer None of these Circular sewer Egg shaped sewer Rectangular sewer None of these Circular sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Corrosion in concrete sewers is caused by Chlorine Nitrogen Septic conditions Dissolved oxygen Chlorine Nitrogen Septic conditions Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve which is provided to control the flow of water in the distribution system at street corners and where the pipe lines intersect is Sluice valve Scour valve Safety valve Check valve Sluice valve Scour valve Safety valve Check valve 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 Sub-main sewer Main sewer House sewer Lateral sewer Sub-main sewer Main sewer House sewer Lateral sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of cement concrete sewers is Difficulty in transportation due to heavy weight Less strength Difficulty in construction Less life Difficulty in transportation due to heavy weight Less strength Difficulty in construction Less life ANSWER DOWNLOAD EXAMIANS APP
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