Environmental Engineering In chlorination, with the rise in temperature of water, death rate of bacteria Remains unaffected Decreases Increases None of these Remains unaffected Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In facultative stabilization pond, the sewage is treated by Dual action of aerobic bacteria and anaerobic bacteria Sedimentation Algae only Aerobic bacteria only Dual action of aerobic bacteria and anaerobic bacteria Sedimentation Algae only Aerobic bacteria only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The correct relation between theoretical oxygen demand (TOD), Biochemical oxygen demand (BOD) and Chemical oxygen demand (COD) is given by TOD > COD > BOD COD > BOD > TOD TOD > BOD > COD BOD > COD > TOD TOD > COD > BOD COD > BOD > TOD TOD > BOD > COD BOD > COD > TOD ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The hourly variation factor is usually taken as 1.5 2.7 2.0 1.8 1.5 2.7 2.0 1.8 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following retards the self purification of stream? Satisfying oxygen demand None of these Higher temperature Sunlight Satisfying oxygen demand None of these Higher temperature Sunlight ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The slope of sewer shall be Given in the direction opposite to natural slope of ground Given in the direction of natural slope of ground Steeper than 1 in 20 Zero Given in the direction opposite to natural slope of ground Given in the direction of natural slope of ground Steeper than 1 in 20 Zero ANSWER DOWNLOAD EXAMIANS APP
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