Environmental Engineering in CE Main pollutants released from iron & steel industry is CO, CO₂ & SO₂ SO₃, NO₂ & CO₂ H₂S, NO & SO₃ CO₂, H₂S & NO₂ CO, CO₂ & SO₂ SO₃, NO₂ & CO₂ H₂S, NO & SO₃ CO₂, H₂S & NO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High noise levels produced during operation of fans and compressors can be reduced by using Mufflers (silencers) Accoustical absorbent Lagging of noisy duct None of these Mufflers (silencers) Accoustical absorbent Lagging of noisy duct None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fluorosis (a bone disease) is caused by the presence of high concentration of __________ in atmospheric air. Hydrogen flouride Hydrocarbons Hydrogen sulphides Nitrogen dioxide Hydrogen flouride Hydrocarbons Hydrogen sulphides Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sooty and sulphurous smog formed due to combustion of fossil fuels particularly in winter, continues throughout the day and night. When the moist atmospheric air's water vapor condenses on the solid particles of smoke thereby forming smog (smoke + fog), it causes All of these Irritation in eyes Poor visibility due to sky darkening Respiratory trouble All of these Irritation in eyes Poor visibility due to sky darkening Respiratory trouble ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrates in water in excess of 50 ppm causes Gastroentetitis Tooth decay Mathenoglobenemia Asphyxiation Gastroentetitis Tooth decay Mathenoglobenemia Asphyxiation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 1 1000 20 100 1 1000 20 100 ANSWER DOWNLOAD EXAMIANS APP
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