Environmental Engineering The suitable method for disinfection of swimming pool water is Ultra violet rays treatment By using potassium permanganate Lime treatment Chlorination Ultra violet rays treatment By using potassium permanganate Lime treatment Chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Sulphur dioxide Chloramines Carbon dioxide Bleaching powder Sulphur dioxide Chloramines Carbon dioxide Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally More and less Less and less Less and more More and more More and less Less and less Less and more More and more 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 Scour valve Sluice valve Check valve Safety valve Scour valve Sluice valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection efficiency is Highest at pH value equal to 7 Reduced at higher pH value of water Unaffected by pH value of water Increased at higher pH value of water Highest at pH value equal to 7 Reduced at higher pH value of water Unaffected by pH value of water Increased at higher pH value of water ANSWER DOWNLOAD EXAMIANS APP
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