Environmental Engineering in CE Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr. 4000 to 5000 10 to 20 100 to 200 1500 to 2500 4000 to 5000 10 to 20 100 to 200 1500 to 2500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels. 150 90 180 120 150 90 180 120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Beyond what concentration of H₂S in air, acute danger to human life exists? 300 ppm 50 ppm 700 ppm 100 ppm 300 ppm 50 ppm 700 ppm 100 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the wrong statement pertaining to 'green house' for the plants. ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive substances present in the polluted water stream can be removed by Adsorption in ion exchange materials Biological oxygen treatment None of these Coagulation and filtration Adsorption in ion exchange materials Biological oxygen treatment None of these Coagulation and filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ substances present in sewage are removed in grit chamber during sewage treatment. Inorganic Dissolved Organic Fatty Inorganic Dissolved Organic Fatty ANSWER DOWNLOAD EXAMIANS APP
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