Environmental Engineering in CE Brown spots in fabrics will be caused by washing with water containing large amount of . Iron Zinc Iodine Bromine Iron Zinc Iodine Bromine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by Neither A nor B Both A & B Natural aeration of water stream Photosynthetic action of algae Neither A nor B Both A & B Natural aeration of water stream Photosynthetic action of algae ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a green house gas other than CO₂ ? Nitrous oxide Chlorofluro carbons (CFC) Methane All of these Nitrous oxide Chlorofluro carbons (CFC) Methane All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Irradiation of water by ultraviolet light of suitable wavelength is commonly used for disinfection of water in Municipal sewage treatment Iron & steel plant Food industry Petroleum refinery Municipal sewage treatment Iron & steel plant Food industry Petroleum refinery ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise emitted by a ventilation fan at a distance of 3 metres is about __________ decibels. 145 105 85 125 145 105 85 125 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Arsenic pollutant is not generated in____industries. Beverages Glass & ceramic Tanneries Any of these Beverages Glass & ceramic Tanneries Any of these ANSWER DOWNLOAD EXAMIANS APP
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