Environmental Engineering in CE Which of the following acts as a natural source of air pollution? Forest fire None of these Volcanic eruption Deforestation Forest fire None of these Volcanic eruption Deforestation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is removed from water by lime-soda process. Temporary hardness Permanent hardness Iron and manganese Foul smell and taste Temporary hardness Permanent hardness Iron and manganese Foul smell and taste ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to small amount of __________ results in high blood pressure & heart disease in human beings. Hydrogen sulphide Mercury Asbestos Cadmium Hydrogen sulphide Mercury Asbestos Cadmium ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to SO₂ containing chimney gases results in the Increased drying & hardening time of paints Reduction in strength of leather & cloth Acceleration of corrosion rates of metals All of these Increased drying & hardening time of paints Reduction in strength of leather & cloth Acceleration of corrosion rates of metals All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of mercury in potable (drinking) water is about __________ ppm. 1 5 0.1 0.001 1 5 0.1 0.001 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutants released from petroleum refineries is SO₃, NO₂ & CO₂ CO, SO₂ & H₂S CO₂, H₂S & NO₂ CO₂, NO & SO₃ SO₃, NO₂ & CO₂ CO, SO₂ & H₂S CO₂, H₂S & NO₂ CO₂, NO & SO₃ ANSWER DOWNLOAD EXAMIANS APP
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