Environmental Engineering The type of valve which allows water to flow in one direction but prevents its flow in the reverse direction is Sluice valve Air relief valve Reflux valve Pressure relief valve Sluice valve Air relief valve Reflux valve Pressure relief valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The velocity of flow does not depend on Hydraulic mean depth of sewer Length of sewer Grade of sewer Roughness of sewer Hydraulic mean depth of sewer Length of sewer Grade of sewer Roughness of sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The depression of water table in a well due to pumping will be maximum(Where ‘R’ is the radius of influence) At a distance R from the well Close to the well None of these At a distance R/2 from the well At a distance R from the well Close to the well None of these At a distance R/2 from the well ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering On standard silica scale, the turbidity in drinking water should be limited to 30 ppm 20 ppm 10 ppm 50 ppm 30 ppm 20 ppm 10 ppm 50 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Bleaching powder Chloramines Sulphur dioxide Carbon dioxide Bleaching powder Chloramines Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Generally the detention period for grit chambers is kept as 12 hours 24 hours 1 minute 5 minutes 12 hours 24 hours 1 minute 5 minutes ANSWER DOWNLOAD EXAMIANS APP
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