Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Carbon dioxide Bleaching powder Chloramines Sulphur dioxide Carbon dioxide Bleaching powder Chloramines Sulphur dioxide 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 Check valve Scour valve Sluice valve Safety valve Check valve Scour valve Sluice valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The design discharge for the combined sewer system shall be taken as Equal to rainfall Rainfall + DWF Rainfall + 6 DWF Rainfall + 2 DWF Equal to rainfall Rainfall + DWF Rainfall + 6 DWF Rainfall + 2 DWF ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of chlorine in fresh bleaching powder is about 10 to 15 20 to 25 30 to 35 40 to 50 10 to 15 20 to 25 30 to 35 40 to 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The specific gravity of sewage is Equal to 1 Slightly less than 1 Much greater than 1 Slightly greater than 1 Equal to 1 Slightly less than 1 Much greater than 1 Slightly greater than 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The disinfection efficiency of chlorine increases by (i) Decreasing the time of contact (ii) Decreasing the temperature of water (iii) Increasing the temperature of water Both (i) and (iii) Only (iii) Only (i) Both (i) and (ii) Both (i) and (iii) Only (iii) Only (i) Both (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
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