Environmental Engineering in CE Which is the most efficient dust removal equipment for removal of sub-micronic dust particles from blast furnace gas? Gravity settling chamber Electrostatic precipitator Hydrocyclone Packed scrubber Gravity settling chamber Electrostatic precipitator Hydrocyclone Packed scrubber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of mercury in human blood is __________ micrograms/100 c.c. 1 19 82 7 1 19 82 7 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant? Mercury Lead Arsenic Aluminium Mercury Lead Arsenic Aluminium ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of lead for public sewer/waste water is about __________ ppm. 25 150 650 1 25 150 650 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm). Highly Extremely Moderately Very extremely Highly Extremely Moderately Very extremely ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. 50 500 1000 3000 (i.e. 0.3%) 50 500 1000 3000 (i.e. 0.3%) ANSWER DOWNLOAD EXAMIANS APP
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