Environmental Engineering Alum as a coagulant is found to be most effective when pH range of water is 6 to 8 2 to 4 4 to 6 8 to 10 6 to 8 2 to 4 4 to 6 8 to 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Select the correct relationship between porosity (N), specific yield (y) and specific retention (R) R = N + y R > (N + y) y = N + R N = y + R R = N + y R > (N + y) y = N + R N = y + R ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period for oxidation ponds is usually kept as 48 hours 10 to 15 days 3 months 24 hours 48 hours 10 to 15 days 3 months 24 hours ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The most commonly used sewer under culverts is Circular brick sewer Semi-elliptical sewer Circular cast iron sewer Horseshoe type sewer Circular brick sewer Semi-elliptical sewer Circular cast iron sewer Horseshoe type sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following methods of analysis of water distribution system is most suitable for long and narrow pipe system? Equivalent pipe method Electrical analysis method Circle method Hardy cross method Equivalent pipe method Electrical analysis method Circle method Hardy cross method 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 Check valve Scour valve Safety valve Sluice valve Check valve Scour valve Safety valve ANSWER DOWNLOAD EXAMIANS APP
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