Environmental Engineering in CE Which of the following is not a source of ozone emission in the atmosphere? Refrigerators Dermatological photo-therapy equipments Xerox machines High voltage electrical equipments Refrigerators Dermatological photo-therapy equipments Xerox machines High voltage electrical equipments ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called Fumes Aerosols Smoke Mists Fumes Aerosols Smoke Mists ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Global warming may result in Cyclone Decrease in food productivity All of these Flood Cyclone Decrease in food productivity All of these Flood ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is not emitted during volcanic eruptions? SO₂ Hydrocarbons CO H₂S SO₂ Hydrocarbons CO H₂S ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The commonest form of iron & manganese found in ground water as pollutant is in the form of their Sulphides Carbonates Chlorides Bi-carbonates Sulphides Carbonates Chlorides Bi-carbonates 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. 2000 5 500 1000 2000 5 500 1000 ANSWER DOWNLOAD EXAMIANS APP
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