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