Environmental Engineering The pathogens can be killed by None of these Nitrification Chlorination Oxidation None of these Nitrification Chlorination Oxidation 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 200 ppm 300 ppm 400 ppm 100 ppm 200 ppm 300 ppm 400 ppm 100 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The most common cause of acidity in water is Hydrogen Carbon dioxide Nitrogen Oxygen Hydrogen Carbon dioxide Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following causes a decrease in per capita consumption? Hotter climate Use of metering system Better standard of living of the people Good quality of water Hotter climate Use of metering system Better standard of living of the people Good quality of water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The commonly used material for water supply pipes, which has the properties of being strong, not easily corroded and long life but is heavy and brittle, is Reinforced cement concrete Cast iron Steel Copper Reinforced cement concrete Cast iron Steel Copper ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of BOD exerted at any time is Inversely proportional to BOD remaining Directly proportional to BOD remaining Directly proportional to BOD satisfied Inversely proportional to BOD satisfied Inversely proportional to BOD remaining Directly proportional to BOD remaining Directly proportional to BOD satisfied Inversely proportional to BOD satisfied ANSWER DOWNLOAD EXAMIANS APP
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