Environmental Engineering in CE Higher concentration of CO₂ in atmosphere Allows visible solar radiation (ultraviolet) of short wave-length to pass through Prevents solar heat being radiated out completely, resulting in Reflects and absorbs the longer wavelength (infra-red) radiations All of these Allows visible solar radiation (ultraviolet) of short wave-length to pass through Prevents solar heat being radiated out completely, resulting in Reflects and absorbs the longer wavelength (infra-red) radiations All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Infective bacteria in water is killed by the __________ process. None of these Sterilisation Disinfection Aeration None of these Sterilisation Disinfection Aeration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most severe air pollutant? NOx Hydrocarbons CO SO₂ NOx Hydrocarbons CO SO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur? Stratosphere Thermosphere Troposphere None of these Stratosphere Thermosphere Troposphere None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smoke is produced due to All of these Insufficient supply of combustion air and insufficient time for combustion Poor design & overloading of furnace Poor quality of fuel and improper mixing of fuel & combustion air All of these Insufficient supply of combustion air and insufficient time for combustion Poor design & overloading of furnace Poor quality of fuel and improper mixing of fuel & combustion air ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the atmospheric air pollutants are present in large quantity in Mesosphere Trophosphere Thermosphere Stratosphere Mesosphere Trophosphere Thermosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP