Environmental Engineering in CE Solid content in most of the domestic sewage is about __________ percent. 0.001 0.1 10 5 0.001 0.1 10 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most efficient for removal of very finely divided suspended solids and colloidal matter from the polluted water stream? Mechanical flocculation Chemical coagulation Sedimentation tank Circular clarifier Mechanical flocculation Chemical coagulation Sedimentation tank Circular clarifier ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about __________ decibels. 90 120 20 60 90 120 20 60 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE What is the major constituents of waste/polluted water discharged from textile, pulp & paper, tanning, distillary, dairy and meat packing industries? Radioactive substances Inorganic pollutants None of these Natural organic products Radioactive substances Inorganic pollutants None of these Natural organic products ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inorganic impurities causing water pollution is Protein Carbohydrates Salts of metals Fats Protein Carbohydrates Salts of metals Fats ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polluted water having low BOD are most economically treated in Clarifier Sludge digester Oxidation ponds Sedimentation tanks Clarifier Sludge digester Oxidation ponds Sedimentation tanks ANSWER DOWNLOAD EXAMIANS APP
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