Environmental Engineering in CE Polluted water having low BOD are most economically treated in Sedimentation tanks Clarifier Oxidation ponds Sludge digester Sedimentation tanks Clarifier Oxidation ponds Sludge digester 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 Settling out using chemical reagents Biological oxidation Skimming off Chlorination Settling out using chemical reagents Biological oxidation Skimming off Chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smoke is produced due to Insufficient supply of combustion air and insufficient time for combustion Poor design & overloading of furnace Poor quality of fuel and improper mixing of fuel & combustion air All of these Insufficient supply of combustion air and insufficient time for combustion Poor design & overloading of furnace Poor quality of fuel and improper mixing of fuel & combustion air All of these ANSWER DOWNLOAD EXAMIANS APP
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? Carbon monoxide Ammonia Acetylene Hydrogen Carbon monoxide Ammonia Acetylene Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of NO₂ & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO₂ causes Skin disorder Cancer Bone disease Bronchitis Skin disorder Cancer Bone disease Bronchitis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Global warming may result in All of these Decrease in food productivity Flood Cyclone All of these Decrease in food productivity Flood Cyclone ANSWER DOWNLOAD EXAMIANS APP