Environmental Engineering in CE Deaeration of high pressure boiler feed water is done to reduce Caustic embrittlement Foaming from boilers Its dissolved oxygen content Its silica content Caustic embrittlement Foaming from boilers Its dissolved oxygen content Its silica content 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 CO CFC (chloro fluoro carbons) NOx SO₂ CO CFC (chloro fluoro carbons) NOx ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of lead compounds present in the automobile exhausts (using leaded petrol) causes All of these Anaemia Nervous system disorder Blood poisoning All of these Anaemia Nervous system disorder Blood poisoning ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main type of sludge gas evolved during sewage treatment in Imhoff tank is CH₄ CO CO₂ H₂ CH₄ CO CO₂ H₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Growth of __________ is promoted by the presence of manganese in water. Algae Files Micro-organisms Mosquitoes Algae Files Micro-organisms Mosquitoes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone level is generally found to be depleted in India in the month of February December July April February December July April ANSWER DOWNLOAD EXAMIANS APP