Environmental Engineering in CE Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gas-air mixture), rendering it the property of the most explosive gas? Ammonia Acetylene Hydrogen Carbon monoxide Ammonia Acetylene Hydrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The detrimental effect on organism and water quality with temperature rise of aquatic system is the reduction of __________ of water. All of these Vapor pressure Dissolved oxygen content Biological oxygen demand All of these Vapor pressure Dissolved oxygen content Biological oxygen demand ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called Skimming mill Cesspool Lagoon Septic tank Skimming mill Cesspool Lagoon Septic tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hazardous/polluting chemical industries should have an 'exclusion zone' with a green belt and general public access prohibited around it, covering a radius of ____ metres. 100 4000 1000 400 100 4000 1000 400 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present in the polluted water is removed by Oxidation followed by settling & filtration Chemical coagulation Chlorination only Simple filtration Oxidation followed by settling & filtration Chemical coagulation Chlorination only Simple filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level in a quiet private business office is about __________ decibels. 85 70 25 50 85 70 25 50 ANSWER DOWNLOAD EXAMIANS APP
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