Environmental Engineering in CE In sewage treatment, its sedimentation is speeded up by commonly adding Sodium sulphate Lime Hydrochloric acid Copper sulphate Sodium sulphate Lime Hydrochloric acid Copper sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polyvinyl chloride containers are not suitable for storing Metallic powder Woolen clothes Foodstuffs None of these Metallic powder Woolen clothes Foodstuffs None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable concentration of CO₂ in air for safe working is __________ ppm (parts per million). 2000 50 1000 5000 2000 50 1000 5000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A 'body' which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the Atmospheric effect Green house Ionosphere Global warming Atmospheric effect Green house Ionosphere Global warming ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutants released from iron & steel industry is CO₂, H₂S & NO₂ SO₃, NO₂ & CO₂ CO, CO₂ & SO₂ H₂S, NO & SO₃ CO₂, H₂S & NO₂ SO₃, NO₂ & CO₂ CO, CO₂ & SO₂ H₂S, NO & SO₃ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dust collection efficiency of a cyclone separator depends upon its Diameter Inlet gas velocity All of these Overall height Diameter Inlet gas velocity All of these Overall height ANSWER DOWNLOAD EXAMIANS APP