Environmental Engineering in CE Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million). 4.8 1.2 0.2 0.002 4.8 1.2 0.2 0.002 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inorganic impurities causing water pollution is Salts of metals Fats Carbohydrates Protein Salts of metals Fats Carbohydrates Protein ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of aldrin in public water supply system is about __________ μg/litre. 17 0.5 357 1097 17 0.5 357 1097 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Peroxyacyl nitrate (PAN), a pollutant is found in the Exhaust of nitric acid plant Automobile exhaust Flue gas of coal based power plant Exhaust of sulphuric acid plant Exhaust of nitric acid plant Automobile exhaust Flue gas of coal based power plant Exhaust of sulphuric acid plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan Neither A nor B With greater number of blades Both A & B Of increased diameter Neither A nor B With greater number of blades Both A & B Of increased diameter 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 F NOx SO₂ Hg F NOx ANSWER DOWNLOAD EXAMIANS APP
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