Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Sulphuric acid Sodium permanganate Lime Copper sulphate Sulphuric acid Sodium permanganate Lime Copper sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following sewers is preferred for combined system of sewage? Egg shaped sewer Circular sewer None of these Rectangular sewer Egg shaped sewer Circular sewer None of these Rectangular sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of oxidation pond is that None of these BOD removal is very low Maintenance and operation cost are high Large area is required for construction None of these BOD removal is very low Maintenance and operation cost are high Large area is required for construction ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The water carriage system of collection of waste product Is cheaper in initial cost than dry conservancy system Creates hygienic problem All of these Requires treatment before disposal Is cheaper in initial cost than dry conservancy system Creates hygienic problem All of these Requires treatment before disposal 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 Check valve Safety valve Sluice valve Scour valve Check valve Safety valve Sluice valve Scour valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable system of sanitation for area of distributed rainfall throughout the year with less intensity is Partially separate system Separate system Combined system Partially combined system Partially separate system Separate system Combined system Partially combined system ANSWER DOWNLOAD EXAMIANS APP
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