Environmental Engineering Residual chlorine in water is determined by Both (A) and (B) Starch iodide method None of these Orthotolidine method Both (A) and (B) Starch iodide method None of these Orthotolidine method ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a given discharge, the efficiency of sedimentation tank can be increased by Increasing the surface area of tank Increasing the depth of tank Decreasing the surface area of tank Decreasing the depth of tank Increasing the surface area of tank Increasing the depth of tank Decreasing the surface area of tank Decreasing the depth of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The characteristics of fresh and septic sewage respectively are Alkaline and acidic Both acidic Acidic and alkaline Both alkaline Alkaline and acidic Both acidic Acidic and alkaline Both alkaline ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of oxidation pond is that Large area is required for construction BOD removal is very low None of these Maintenance and operation cost are high Large area is required for construction BOD removal is very low None of these Maintenance and operation cost are high ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The population of a town in three consecutive years are 5000, 7000 and 8400 respectively. The population of the town in the fourth consecutive year according to geometrical increase method is 10920 9500 9800 10100 10920 9500 9800 10100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In a BOD test, 1.0 ml of raw sewage was diluted to 100 ml and the dissolved oxygen concentration of diluted sample at the beginning was 6 ppm and it was 4 ppm at the end of 5 day incubation at 20°C. The BOD of raw sewage will be 100 ppm 300 ppm 200 ppm 400 ppm 100 ppm 300 ppm 200 ppm 400 ppm ANSWER DOWNLOAD EXAMIANS APP
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