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 20 7 1 3 20 7 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in 'gas chamber' is about __________ ppm. 100-200 10-100 100-1000 100-200 10-100 100-1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Direct reaction of unsaturated hydrocarbons with either NO or NO₂ produces an eye irritating pollutant compound known as Benzopyrene Poly acrylonitrile Peroxy acetyl nitrate (PAN) or methyl nitrile Photochemical smog Benzopyrene Poly acrylonitrile Peroxy acetyl nitrate (PAN) or methyl nitrile Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE World environment day is observed every year on the 5th of June December July September June December July September ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The maximum CO₂ is emitted into the atmosphere by Biomass burning Combustion Urea Trees Biomass burning Combustion Urea Trees ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE H₂S present in gaseous stream can be removed by adsorption on Limestone powder Bog iron Silica gel Active carbon Limestone powder Bog iron Silica gel Active carbon ANSWER DOWNLOAD EXAMIANS APP