Environmental Engineering in CE From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. 50 1 500 5 50 1 500 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The most commonly used chemical coagulant in water treatment is Alum Lime Hydrazine Ferrous sulphate Alum Lime Hydrazine Ferrous sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a weightless pollutant? Radioactive rays Thermal pollution Noise pollution SPM Radioactive rays Thermal pollution Noise pollution SPM ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dissolved oxygen content in river water is around __________ ppm. 250 100 5 500 250 100 5 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ plant emits large amount of SO₂ as an air pollutant. Iron & steel Sulphuric acid Nitric acid Chloralkali Iron & steel Sulphuric acid Nitric acid Chloralkali ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants? F SO₂ Hg NOx F SO₂ Hg NOx ANSWER DOWNLOAD EXAMIANS APP