Environmental Engineering in CE Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur? Stratosphere Troposphere None of these Thermosphere Stratosphere Troposphere None of these Thermosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main type of sludge gas evolved during sewage treatment in Imhoff tank is CO CH₄ H₂ CO₂ CO CH₄ H₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Out of the following, TLV of __________ is the minimum (about 0.02 ppm). Ozone Bromine Phosgene MIC (methyl iso-cynate) Ozone Bromine Phosgene MIC (methyl iso-cynate) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm). Extremely Highly Moderately Very extremely Extremely Highly Moderately Very extremely ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Removal of __________ is accomplished by aeration of water. None of these Suspended solids Dissolved gases Dissolved solids None of these Suspended solids Dissolved gases Dissolved solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is a secondary air pollutant? Dust particles Sulphur dioxide Photochemical smog Nitrogen dioxide Dust particles Sulphur dioxide Photochemical smog Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
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