Environmental Engineering in CE __________ substances present in sewage are removed in grit chamber during sewage treatment. Dissolved Organic Fatty Inorganic Dissolved Organic Fatty Inorganic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible residual chlorine in treated water should be __________ mg/litre. 0.001 to 0.01 5 to 10 2 to 3 02 to 0.3 0.001 to 0.01 5 to 10 2 to 3 02 to 0.3 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In a sedimentation tank, the detention period for water ranges from __________ hours. 16 to 20 2 to 4 8 to 12 24 to 32 16 to 20 2 to 4 8 to 12 24 to 32 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fine grit present in sewage is removed in the __________ during sewage treatment. Trickling filter Detritus tank Grit chamber Skimming tank Trickling filter Detritus tank Grit chamber Skimming tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a secondary air pollutant? Sulphur dioxide Ozone All of these Photochemical smog Sulphur dioxide Ozone All of these Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is not emitted during volcanic eruptions? SO₂ Hydrocarbons H₂S CO SO₂ Hydrocarbons H₂S CO ANSWER DOWNLOAD EXAMIANS APP
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