quiz12spr01 - 2~. ENSC 3313, Spring Answer any 2001 4...

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2~. ENSC 3313, Spring 2001 Quiz 12 Answer any 4 Questions only, 1 point each 1. The figure $9.190 trillion was mentioned in class. In what context? This was the 1999 USA GDP. Corrosion costs are estimated as being 3-4% of the GDP annually. Hence, maybe $300 billion in the USA. 2. Why does Kure Beach appear twice on this table? What is bad about marine, as distinct from merely wet? 800' versus 80' from the ocean! The nearer the ocean the more salty the air. Seawater contains significant quantities of chloride ions. The chloride ion tends to wreck/penetrate protective coatings by reacting to give non- protective corrosion products. IRON SPECIMENS 2 X 4 X 1/8" PIARTOUM r" , c pAYTONA BEACH n.A. iOUTH BEND, INn. 1.62 11 RURAL ~- RURAL ;tJRE BEACH, N.C. MARINE !60' FROM OCEAN)* :EARNY; N. J. INDUSTRIAL MARINE INDUSTRIAL MARINE MARINE 4.27 29 5.78 38 7.75 52 9.65 20.43 70.49 65 138 475 l8O' FROM oCEAN) -* 3 I drew your attention to Aloha Airlines and to a Russian Nuclear Submarine last class period. Explain
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quiz12spr01 - 2~. ENSC 3313, Spring Answer any 2001 4...

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