Environmental Engineering in CE Brown spots in fabrics will be caused by washing with water containing large amount of . Iodine Iron Bromine Zinc Iodine Iron Bromine Zinc ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozones. 10⁵ 10¹⁵ 10² 10⁹ 10⁵ 10¹⁵ 10² 10⁹ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because It forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen It forms CO₂ by combining with oxygen present in the blood Of jamming of respiratory tract Of clotting of blood It forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen It forms CO₂ by combining with oxygen present in the blood Of jamming of respiratory tract Of clotting of blood ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. 5 1 50 500 5 1 50 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes Nervous depression All of these Gastritis & diarrhea Paralysis of muscles & loss of appetite Nervous depression All of these Gastritis & diarrhea Paralysis of muscles & loss of appetite ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about __________ decibels. 120 90 20 60 120 90 20 60 ANSWER DOWNLOAD EXAMIANS APP
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