Environmental Engineering The suitable method for disinfection of swimming pool water is Lime treatment By using potassium permanganate Chlorination Ultra violet rays treatment Lime treatment By using potassium permanganate Chlorination 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 Carbon dioxide Sulphur dioxide Chloramines Bleaching powder Carbon dioxide Sulphur dioxide Chloramines 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 more Less and less More and less Less and more More and more Less and less More 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 Sluice valve Scour valve Safety valve Check valve Sluice valve Scour valve Safety valve Check valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection efficiency is 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 Increased at higher pH value of water Reduced at higher pH value of water Unaffected by pH value of water ANSWER DOWNLOAD EXAMIANS APP