ENGR 202 Final: ENGR 202 - Final 1 Updateed
24 Jan 2018
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Define or describe: risk: the probability of a specific undesired consequence, cfc: chlorofluorocarbons, noael threshold: no observable adverse effects level, f. c. What are the 3 steps of the life cycle analysis: inventory analysis, impact analysis, improvement analysis. Give 2 reasons why the lca is not more widely used: gathering the data is time consuming and expensive. This only gets worse as the lca is more comprehensive: there is no universally accepted methodology. Name 3 things that can affect the carbon cycle: deforestation, cement production, burning of fossil fuels. What are 2 major contaminants of groundwater and their sources: petroleum contaminants from leaking underground storage tanks (lust, nitrates, from agricultural fertilizers. It is ozone present at the ground level and is the main component of smog. Created by chemical reactions between oxides of nitrogen (nox) and volatile organic compounds (voc) from motor vehicles, industrial facilities in the presence of sunlight.
