Environmental Engineering in CE Which of the following dust collection equipments is the least efficient (for sub-micronic particles)? Hollow wet scrubber Bag filter Dust catcher (gravity type) Cyclone separator Hollow wet scrubber Bag filter Dust catcher (gravity type) Cyclone separator ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Shouting by a man at his full voice corresponds to a voice level of about __________ decibels. 120 80 50 25 120 80 50 25 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hydrogen ion concentration in distilled water is 10⁻⁷ 7 x 10⁻⁷ 10⁷ 7 x 10⁷ 10⁻⁷ 7 x 10⁻⁷ 10⁷ 7 x 10⁷ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The concentration of water vapour in troposphere, which depends upon the altitude & temperature varies in the range of zero to __________ percent. 1 4 8 12 1 4 8 12 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The Killer gas which caused Bhopal gas tragedy in 1984 was Sulphur dioxide Methyl iso-cynate (MIC) Carbon monoxide Phosgene Sulphur dioxide Methyl iso-cynate (MIC) Carbon monoxide Phosgene ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is not emitted during volcanic eruptions? Hydrocarbons SO₂ CO H₂S Hydrocarbons SO₂ CO H₂S ANSWER DOWNLOAD EXAMIANS APP
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