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Quizzical Pursuit
—The Architecture Puzzler
Created by Dave Guadagni
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Architecture Puzzler #224
Galvanic action or corrosion occurs between dissimilar metals when sufficient moisture is present to carry an electrical charge. In the "galvanic series," metals are arranged from most "noble" (least reactive to corrosion), gold and platinum, to least noble (most reactive to corrosion), magnesium. Rank the following metals from most to least noble: Copper, steel, silver, nickel, aluminum, titanium and lead. At which end would you place graphite?
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Question from Last Week:
Architecture Puzzler #223
In contemporary mirror manufacture, what reflective material is most commonly applied to the back surface of the glass?
Answer to Puzzler #223
Come back next week for the answer to Architecture Puzzler #224!
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Dave Guadagni, AIA, is an architect with Robertson/Sherwood/Architects
Quizzical Pursuit is Copyright 2005, Dave Guadagni.
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Noble gold, cast in medieval stained glass.
Photo: www.clipart.com
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