Environmental Engineering The percentage of chlorine in fresh bleaching powder is about 40 to 50 10 to 15 30 to 35 20 to 25 40 to 50 10 to 15 30 to 35 20 to 25 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 Scour valve Safety valve Sluice valve Check valve Scour valve Safety valve Sluice valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Chlorine demand of water is equal to Residual chlorine Applied chlorine Sum of applied and residual chlorine Difference of applied and residual chlorine Residual chlorine Applied chlorine Sum of applied and residual chlorine Difference of applied and residual chlorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard BOD is measured at 30°C - 5 day 20°C - 1 day 20°C - 5 day 25°C - 3 day 30°C - 5 day 20°C - 1 day 20°C - 5 day 25°C - 3 day ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewage treatment units are normally designed for 15 - 20 years 15 - 28 years 5 - 10 years 28 - 30 years 15 - 20 years 15 - 28 years 5 - 10 years 28 - 30 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The specific gravity of sewage is Slightly greater than 1 Slightly less than 1 Much greater than 1 Equal to 1 Slightly greater than 1 Slightly less than 1 Much greater than 1 Equal to 1 ANSWER DOWNLOAD EXAMIANS APP
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