Environmental Engineering in CE Hazardous/polluting chemical industries should have an 'exclusion zone' with a green belt and general public access prohibited around it, covering a radius of ____ metres. 100 1000 4000 400 100 1000 4000 400 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Waste/polluted water discharged from electroplating, blast furnace and coal mining industries contain mainly __________ substances. Organic Inorganic Radioactive None of these Organic Inorganic Radioactive None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. 1000 to 2000 10000 to 100000 3000 to 6000 6000 to 9000 1000 to 2000 10000 to 100000 3000 to 6000 6000 to 9000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is removed from water by lime-soda process. Temporary hardness Iron and manganese Permanent hardness Foul smell and taste Temporary hardness Iron and manganese Permanent hardness Foul smell and taste ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tolerable limit of nitrogen oxides in air is __________ ppm. 5 0.1 1 25 5 0.1 1 25 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most severe air pollutant? CO SO₂ Hydrocarbons NOx CO SO₂ Hydrocarbons NOx ANSWER DOWNLOAD EXAMIANS APP
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