Environmental Engineering in CE World's worst radioactive pollution was caused by nuclear reactor disaster which occured in Pensylvania (U.S.A.) Arizona (U.S.A.) Chernobyl (undivided U.S.S.R.) Moscow (U.S.S.R.) Pensylvania (U.S.A.) Arizona (U.S.A.) Chernobyl (undivided U.S.S.R.) Moscow (U.S.S.R.) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant? Arsenic Aluminium Lead Mercury Arsenic Aluminium Lead Mercury ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 'Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the Burning of domestic fuel Photochemical reaction in polluted atmosphere Automobiles exhaust Industrial chimney exhaust Burning of domestic fuel Photochemical reaction in polluted atmosphere Automobiles exhaust Industrial chimney exhaust ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of oxidised sewage is about 6.2 1.8 13.4 7.3 6.2 1.8 13.4 7.3 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 'Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a 'particulate'? None of these Photochemical smog & soot Dust & mists Smoke & fumes None of these Photochemical smog & soot Dust & mists Smoke & fumes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called Powder Smoke Grit Dust Powder Smoke Grit Dust ANSWER DOWNLOAD EXAMIANS APP
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