Environmental Engineering in CE Beyond what concentration of H₂S in air, acute danger to human life exists? 700 ppm 50 ppm 100 ppm 300 ppm 700 ppm 50 ppm 100 ppm 300 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called Mists Smoke Aerosols Fumes Mists Smoke Aerosols Fumes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. 1000 500 3000 (i.e. 0.3%) 50 1000 500 3000 (i.e. 0.3%) 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is not formed due to the presence of __________ in the atmosphere. NOx SO₂ CO₂ Any of these NOx SO₂ CO₂ Any of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hazardous/polluting chemical industries should have an 'exclusion zone' with a green belt and general public access prohibited around it, covering a radius of ____ metres. 1000 4000 100 400 1000 4000 100 400 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone level is generally found to be depleted in India in the month of December July February April December July February April ANSWER DOWNLOAD EXAMIANS APP