Environmental Engineering in CE Which of the following pollutants is absent in the emissions from a fertiliser plant ? NO₂ CO NH₃ SO₂ & SO₃ NO₂ CO NH₃ SO₂ & SO₃ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth's surface in which human being along with other organisms live is called troposphere. The rate at which air temperature in the troposphere gradually decreases with height is about __________ °C/km. 15 1 0.05 6.5 15 1 0.05 6.5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr. 0.1 to 1 3 to 6 15 to 20 10 to 15 0.1 to 1 3 to 6 15 to 20 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum? Deaccelaration Idle running Acceleration Cruising Deaccelaration Idle running Acceleration Cruising ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid ilow control. It is caused due to Reynold stresses Both A & B Shear forces Neither A nor B Reynold stresses Both A & B Shear forces Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise pollution level in a chemical plant is expressed in Hertz Roentgen Decibel None of these Hertz Roentgen Decibel None of these ANSWER DOWNLOAD EXAMIANS APP