Environmental Engineering in CE Green house gases blanket/block the infrared radiation from earth's surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect? CO₂ H₂ SO₃ N₂ CO₂ H₂ SO₃ N₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm. 100 1000 5 2000 100 1000 5 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants? SO₂ Hg NOx F SO₂ Hg NOx F 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 Neither A nor B Shear forces Reynold stresses Both A & B Neither A nor B Shear forces ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called Smoke Dust Grit Powder Smoke Dust Grit Powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) of CO in air is __________ ppm. 2000 5 5000 50 2000 5 5000 50 ANSWER DOWNLOAD EXAMIANS APP