Environmental Engineering in CE TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm. 100 25 0.1 1000 100 25 0.1 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise pollution level in a chemical plant is expressed in None of these Hertz Decibel Roentgen None of these Hertz Decibel Roentgen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main type of sludge gas evolved during sewage treatment in Imhoff tank is CO₂ CH₄ H₂ CO CO₂ CH₄ H₂ CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water treatment plant, zeolite process is used to remove the __________ of water. Hardness Alkalinity Iron & zinc Acidity Hardness Alkalinity Iron & zinc Acidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reingleman chart is used for the evaluation of __________ pollution. Air Radioactive Noise Water Air Radioactive Noise Water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of aldrin in public water supply system is about __________ μg/litre. 0.5 17 1097 357 0.5 17 1097 357 ANSWER DOWNLOAD EXAMIANS APP
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