Environmental Engineering in CE Fluorosis (a bone disease) is caused by the presence of high concentration of __________ in atmospheric air. Hydrogen flouride Nitrogen dioxide Hydrogen sulphides Hydrocarbons Hydrogen flouride Nitrogen dioxide Hydrogen sulphides Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not an air pollutant? Carcinogens Metallic powders Ozone Pesticides Carcinogens Metallic powders Ozone Pesticides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The principal gas evolved from sludge digestion tank is N₂ CO CO₂ CH₄ N₂ CO CO₂ CH₄ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reingleman chart No. 2 corresponds to __________ percent black smoke. 40 10 20 80 40 10 20 80 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A 'body' which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the Ionosphere Global warming Green house Atmospheric effect Ionosphere Global warming Green house Atmospheric effect ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most severe air pollutant? CO NOx SO₂ Hydrocarbons CO NOx SO₂ Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS