Environmental Engineering The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is Infinite 1 100 Zero Infinite 1 100 Zero ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The amount of residual chlorine left in public water supply for safety against pathogenic bacteria is about 0.01 to 0.05 ppm 1.0 to 5.0 ppm 0.5 to 1.0 ppm 0.05 to 0.5 ppm 0.01 to 0.05 ppm 1.0 to 5.0 ppm 0.5 to 1.0 ppm 0.05 to 0.5 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The water carriage system of collection of waste product All of these Requires treatment before disposal Is cheaper in initial cost than dry conservancy system Creates hygienic problem All of these Requires treatment before disposal Is cheaper in initial cost than dry conservancy system Creates hygienic problem ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Residual chlorine in water is determined by Starch iodide method Orthotolidine method Both (A) and (B) None of these Starch iodide method Orthotolidine method Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In facultative stabilization pond, the sewage is treated by Algae only Aerobic bacteria only Sedimentation Dual action of aerobic bacteria and anaerobic bacteria Algae only Aerobic bacteria only Sedimentation Dual action of aerobic bacteria and anaerobic bacteria ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Select the correct relationship between porosity (N), specific yield (y) and specific retention (R) N = y + R R = N + y y = N + R R > (N + y) N = y + R R = N + y y = N + R R > (N + y) ANSWER DOWNLOAD EXAMIANS APP
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