Environmental Engineering in CE The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel. 1 10 20 5 1 10 20 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A man exposed to excessive noise level in the working environment may suffer from Rupture of ear drum Hearing loss All of these Nervousness & fatigue Rupture of ear drum Hearing loss All of these Nervousness & fatigue ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by Photosynthetic action of algae Both A & B Natural aeration of water stream Neither A nor B Photosynthetic action of algae Both A & B Natural aeration of water stream Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrates in water in excess of 50 ppm causes Gastroentetitis Asphyxiation Tooth decay Mathenoglobenemia Gastroentetitis Asphyxiation Tooth decay Mathenoglobenemia ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is not formed due to the presence of __________ in the atmosphere. NOx SO₂ Any of these CO₂ NOx SO₂ Any of these CO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutants released from petroleum refineries is CO, SO₂ & H₂S CO₂, NO & SO₃ SO₃, NO₂ & CO₂ CO₂, H₂S & NO₂ CO, SO₂ & H₂S CO₂, NO & SO₃ SO₃, NO₂ & CO₂ CO₂, H₂S & NO₂ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS