Environmental Engineering in CE Which of the following is not a weightless pollutant? Radioactive rays SPM Noise pollution Thermal pollution Radioactive rays SPM Noise pollution Thermal pollution ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm. 1000 100 25 0.1 1000 100 25 0.1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the atmospheric air pollutants are present in large quantity in Thermosphere Trophosphere Stratosphere Mesosphere Thermosphere Trophosphere Stratosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The biological decomposition of organic substances in wastes controlled conditions is called Biological oxidation None of these Composting Incineration Biological oxidation None of these Composting Incineration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ plant emits large amount of SO₂ as an air pollutant. Iron & steel Nitric acid Sulphuric acid Chloralkali Iron & steel Nitric acid Sulphuric acid Chloralkali ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ionisation potential employed in the industrial electrostatic precipitator is of the order of 230 V AC 230 V DC 30 to 70 kV AC 30 to 70 kV DC 230 V AC 230 V DC 30 to 70 kV AC 30 to 70 kV DC ANSWER DOWNLOAD EXAMIANS APP
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