Environmental Engineering in CE Noise pollution level in a chemical plant is expressed in Decibel Roentgen None of these Hertz Decibel Roentgen None of these Hertz ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Removal of __________ is accomplished by aeration of water. Dissolved solids Suspended solids None of these Dissolved gases Dissolved solids Suspended solids None of these Dissolved gases ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm. 100 0.1 1000 25 100 0.1 1000 25 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The widest explosive limit is of __________ , thereby making it the most explosive gas. Acetylene Carbon monoxide Petrol vapor Hydrogen Acetylene Carbon monoxide Petrol vapor Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lagooning process is mainly a means of the None of these Biological treatment of wastes Reduction of excessive flow in sewers Sludge disposal None of these Biological treatment of wastes Reduction of excessive flow in sewers Sludge disposal ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most lethal water pollutant? Alkalis Phenol and cynide Suspended solids Chlorine Alkalis Phenol and cynide Suspended solids Chlorine ANSWER DOWNLOAD EXAMIANS APP
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