Environmental Engineering in CE Septic tanks are used for the __________ of the deposited solids. Aerobic decomposition Separation Anaerobic decomposition None of these Aerobic decomposition Separation Anaerobic decomposition None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel. 5 10 1 20 5 10 1 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutants released from iron & steel industry is CO, CO₂ & SO₂ SO₃, NO₂ & CO₂ CO₂, H₂S & NO₂ H₂S, NO & SO₃ CO, CO₂ & SO₂ SO₃, NO₂ & CO₂ CO₂, H₂S & NO₂ H₂S, NO & SO₃ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by Chlorination Chemical coagulation Treating in biological oxygen pond None of these Chlorination Chemical coagulation Treating in biological oxygen pond None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur? Thermosphere None of these Troposphere Stratosphere Thermosphere None of these Troposphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The widest explosive limit is of __________ , thereby making it the most explosive gas. Hydrogen Carbon monoxide Acetylene Petrol vapor Hydrogen Carbon monoxide Acetylene Petrol vapor ANSWER DOWNLOAD EXAMIANS APP
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