Environmental Engineering in CE The pH value of potable water should be between 6.5 to 8 13 to 14 4 to 5 1 to 1.5 6.5 to 8 13 to 14 4 to 5 1 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutants released from petroleum refineries is SO₃, NO₂ & CO₂ CO₂, NO & SO₃ CO₂, H₂S & NO₂ CO, SO₂ & H₂S SO₃, NO₂ & CO₂ CO₂, NO & SO₃ CO₂, H₂S & NO₂ CO, SO₂ & H₂S ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm). Very extremely Highly Moderately Extremely Very extremely Highly Moderately Extremely ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerobic biological oxidation ponds used for the purification of polluted water Destroys/removes pathogen from the sewage Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents All of these Destroys/removes pathogen much more effectively if the sewage is chlorinated Destroys/removes pathogen from the sewage Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents All of these Destroys/removes pathogen much more effectively if the sewage is chlorinated ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to chemicals having carcinogenic properties cause Dermatitis (skin disorder) Cancer Asphyxiation (suffocation) Asthma Dermatitis (skin disorder) Cancer Asphyxiation (suffocation) Asthma ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about __________ decibels. 185 160 135 105 185 160 135 105 ANSWER DOWNLOAD EXAMIANS APP
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