Environmental Engineering The detention period in coagulation tanks is usually kept as 2 to 6 hours 30 to 45 minutes 1 to 2 minutes 2 to 6 days 2 to 6 hours 30 to 45 minutes 1 to 2 minutes 2 to 6 days ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a given discharge, the efficiency of sedimentation tank can be increased by Decreasing the depth of tank Increasing the depth of tank Decreasing the surface area of tank Increasing the surface area of tank Decreasing the depth of tank Increasing the depth of tank Decreasing the surface area of tank Increasing the surface area of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable method of forecasting population for a young and rapidly increasing city is Graphical method Geometrical increase method Arithmetical increase method Incremental increase method Graphical method Geometrical increase method Arithmetical increase method Incremental increase method ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following is not a water borne disease? Malaria Cholera Typhoid Dysentery Malaria Cholera Typhoid Dysentery ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following retards the self purification of stream? Higher temperature None of these Satisfying oxygen demand Sunlight Higher temperature None of these Satisfying oxygen demand Sunlight ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following causes a decrease in per capita consumption? Good quality of water Use of metering system Hotter climate Better standard of living of the people Good quality of water Use of metering system Hotter climate Better standard of living of the people ANSWER DOWNLOAD EXAMIANS APP
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