Environmental Engineering in CE Which of the following is the most detrimental for water used in high pressure boiler? Turbidity Silica Dissolved oxygen Phenol Turbidity Silica Dissolved oxygen Phenol ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following dust collection equipments is the least efficient (for sub-micronic particles)? Cyclone separator Bag filter Hollow wet scrubber Dust catcher (gravity type) Cyclone separator Bag filter Hollow wet scrubber Dust catcher (gravity type) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO₂ in air is __________ ppm. 5 2000 500 1000 5 2000 500 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of soluble organics in polluted water causes Undesirable plants growth Depletion of oxygen Explosion hazards Fire hazards Undesirable plants growth Depletion of oxygen Explosion hazards Fire hazards ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate? SO₂ NOx CO CFC (chloro fluoro carbons) SO₂ NOx CO CFC (chloro fluoro carbons) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is not formed due to the presence of __________ in the atmosphere. CO₂ NOx Any of these SO₂ CO₂ NOx Any of these SO₂ ANSWER DOWNLOAD EXAMIANS APP