Environmental Engineering in CE Which of the following is a green house gas other than CO₂ ? Nitrous oxide Chlorofluro carbons (CFC) All of these Methane Nitrous oxide Chlorofluro carbons (CFC) All of these Methane ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is __________ decibels. 95 75 35 105 95 75 35 105 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a source of ozone emission in the atmosphere? Xerox machines Dermatological photo-therapy equipments High voltage electrical equipments Refrigerators Xerox machines Dermatological photo-therapy equipments High voltage electrical equipments Refrigerators ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not an air pollutant? Pesticides Carcinogens Ozone Metallic powders Pesticides Carcinogens Ozone Metallic powders ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Cleaning is done by(i) Scraping and removal in filters slow sand(ii) Back washing in slow sand filters(iii) Scraping and removal in filters rapid sand(iv) Back washing in rapid sand filtersThe correct answer is (ii) and (iii) (ii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (ii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ethanolamine is an absorbant used for the removal of __________ from air/gas. SO₂ H₂S Both B & C HF SO₂ H₂S Both B & C HF ANSWER DOWNLOAD EXAMIANS APP
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