Environmental Engineering Scour valves are provided At every depression and dead ends to drain out the waste water that may collect there At street corners to control the flow of water At every summit of rising mains At the foot of rising main along the slope to prevent back running of water At every depression and dead ends to drain out the waste water that may collect there At street corners to control the flow of water At every summit of rising mains At the foot of rising main along the slope to prevent back running of water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sludge volume index is defined as the ratio of Percentage of total solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of total solids by weight Percentage of sludge by volume to percentage of suspended solids by weight Percentage of suspended solids by weight to percentage of sludge by volume Percentage of total solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of total solids by weight Percentage of sludge by volume to percentage of suspended solids by weight Percentage of suspended solids by weight to percentage of sludge by volume ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The treatment of water with bleaching powder is known as Super chlorination Pre-chlorination Hypo-chlorination De-chlorination Super chlorination Pre-chlorination Hypo-chlorination De-chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve which allows water to flow in one direction but prevents its flow in the reverse direction is Pressure relief valve Sluice valve Air relief valve Reflux valve Pressure relief valve Sluice valve Air relief valve Reflux valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following unit works in anaerobic conditions? Sludge digestion tank Sedimentation tank Trickling filters Activated sludge treatment Sludge digestion tank Sedimentation tank Trickling filters Activated sludge treatment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Double filtration is used To increase the filtration rapid sand filters capacity of To increase the filtration slow sand filters capacity of For isolated buildings like pools, hotels etc swimming All of these To increase the filtration rapid sand filters capacity of To increase the filtration slow sand filters capacity of For isolated buildings like pools, hotels etc swimming All of these ANSWER DOWNLOAD EXAMIANS APP