Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 4 to 5 15 to 20 1 to 2 9 to 10 4 to 5 15 to 20 1 to 2 9 to 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following acts as a natural source of air pollution? Volcanic eruption None of these Deforestation Forest fire Volcanic eruption None of these Deforestation Forest fire ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the atmospheric air pollutants are present in large quantity in Trophosphere Mesosphere Stratosphere Thermosphere Trophosphere Mesosphere Stratosphere Thermosphere 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? None of these Inorganic pollutants Natural organic products Radioactive substances None of these Inorganic pollutants Natural organic products Radioactive substances ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smoke is produced due to All of these Poor quality of fuel and improper mixing of fuel & combustion air Poor design & overloading of furnace Insufficient supply of combustion air and insufficient time for combustion All of these Poor quality of fuel and improper mixing of fuel & combustion air Poor design & overloading of furnace Insufficient supply of combustion air and insufficient time for combustion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In a sedimentation tank, the detention period for water ranges from __________ hours. 8 to 12 24 to 32 2 to 4 16 to 20 8 to 12 24 to 32 2 to 4 16 to 20 ANSWER DOWNLOAD EXAMIANS APP
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