Environmental Engineering in CE Which is the most efficient dust removal equipment for removal of sub-micronic dust particles from blast furnace gas? Packed scrubber Electrostatic precipitator Hydrocyclone Gravity settling chamber Packed scrubber Electrostatic precipitator Hydrocyclone Gravity settling chamber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In troposphere (the weather domain), the temperature 't' at height 'h' above the spa level in metres is given by (where, temperature at sea level is 15°C and t is in °C.) t = 15 - 0.0035h t = 15 + 0.0065h t = 0.0035h -15 t = 15 - 0.0065h t = 15 - 0.0035h t = 15 + 0.0065h t = 0.0035h -15 t = 15 - 0.0065h ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is a secondary air pollutant? Nitrogen dioxide Photochemical smog Dust particles Sulphur dioxide Nitrogen dioxide Photochemical smog Dust particles Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of mercury in human blood is __________ micrograms/100 c.c. 7 1 19 82 7 1 19 82 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive substances present in the polluted water stream can be removed by Biological oxygen treatment Adsorption in ion exchange materials Coagulation and filtration None of these Biological oxygen treatment Adsorption in ion exchange materials Coagulation and filtration None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. 50 1000 3000 (i.e. 0.3%) 500 50 1000 3000 (i.e. 0.3%) 500 ANSWER DOWNLOAD EXAMIANS APP