Environmental Engineering in CE The lowest layer of atmosphere is known as the Ionosphere Troposphere Stratosphere None of these Ionosphere Troposphere Stratosphere None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ content of the phosphate rock is the pollutant of primary interest in a phos-phatic fertiliser plant. Calcium Fluorine Sulphur Phosphorous Calcium Fluorine Sulphur Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a natural source of air pollution? Volcanic eruptions and lightening discharges Photochemical oxidation of organic matter None of these Biological decay of vegetable matter Volcanic eruptions and lightening discharges Photochemical oxidation of organic matter None of these Biological decay of vegetable matter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level during normal conversation among men is about __________ decibles. 10 90 45 115 10 90 45 115 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive solid nuclear wastes are disposed off by High temperature incineration Underground burial in concrete containers Pathological incineration Pyrolysis High temperature incineration Underground burial in concrete containers Pathological incineration Pyrolysis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) of CO in air is __________ ppm. 5 2000 50 5000 5 2000 50 5000 ANSWER DOWNLOAD EXAMIANS APP
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