Environmental Engineering in CE The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the Green house effect Catalytic conversion Global warming Both B and C Green house effect Catalytic conversion Global warming Both B and C ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to small amount of __________ results in high blood pressure & heart disease in human beings. Asbestos Cadmium Hydrogen sulphide Mercury Asbestos Cadmium Hydrogen sulphide Mercury 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. 10-100 100-200 100-1000 10-100 100-200 100-1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most widely used disinfectant in water treatment? Irradiation of water by ultraviolet light Cation exchanger Chlorine Coagulation Irradiation of water by ultraviolet light Cation exchanger Chlorine Coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate? NOx SO₂ CO CFC (chloro fluoro carbons) NOx SO₂ CO CFC (chloro fluoro carbons) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most severe air pollutant? NOx SO₂ Hydrocarbons CO NOx SO₂ Hydrocarbons CO ANSWER DOWNLOAD EXAMIANS APP