Environmental Engineering in CE Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels. 120 170 200 140 120 170 200 140 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oil and grease present in an emulsified state in waste water discharged from industries can be removed by Chlorination Settling out using chemical reagents Skimming off Biological oxidation Chlorination Settling out using chemical reagents Skimming off Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes Cancer Respiratory disease (e.g., asthma) Reduced crop yield Silicosis Cancer Respiratory disease (e.g., asthma) Reduced crop yield Silicosis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone level is generally found to be depleted in India in the month of December April February July December April February July ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is absent in the emissions from a fertiliser plant ? CO NH₃ SO₂ & SO₃ NO₂ CO NH₃ SO₂ & SO₃ NO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to chemicals having carcinogenic properties cause Cancer Asthma Dermatitis (skin disorder) Asphyxiation (suffocation) Cancer Asthma Dermatitis (skin disorder) Asphyxiation (suffocation) ANSWER DOWNLOAD EXAMIANS APP
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