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. 4000 400 1000 100 4000 400 1000 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE H₂S present in gaseous stream can be removed by adsorption on Active carbon Limestone powder Bog iron Silica gel Active carbon Limestone powder Bog iron Silica gel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Acute danger to human life (i.e. death) exists, if the concentration of CO₂ in atmospheric air exceeds __________ percent (by volume). 3 1 7 20 3 1 7 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE What are the methods of treatment & disposal of radioactive wastes? Fixing into a solid mass with cement and sinking deep in the sea Evaporation & chemical precipitation Biological methods & adsorption in ion exchange materials All of these Fixing into a solid mass with cement and sinking deep in the sea Evaporation & chemical precipitation Biological methods & adsorption in ion exchange materials All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant for removal of nitrogen oxides from gas/air? Pulverised limestone Active carbon Silica gel Bog iron (iron oxide) Pulverised limestone Active carbon Silica gel Bog iron (iron oxide) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sooty and sulphurous smog formed due to combustion of fossil fuels particularly in winter, continues throughout the day and night. When the moist atmospheric air's water vapor condenses on the solid particles of smoke thereby forming smog (smoke + fog), it causes All of these Respiratory trouble Poor visibility due to sky darkening Irritation in eyes All of these Respiratory trouble Poor visibility due to sky darkening Irritation in eyes ANSWER DOWNLOAD EXAMIANS APP