Answers . 12 September 2001                     
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    NEXT WEEK

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    Quizzical Pursuit
    —The Architecture Puzzler

    Created by Dave Guadagni

    Solution to Last Week's Puzzler
    Architecture Puzzler #65

    Question

    Glass takes 13 to 25 gigajoules of energy per ton to produce while copper takes 70 to 170. About how much energy would you guess is required to produce a ton of steel? Aluminum?

    Answer

    Steel takes about 25 to 45 gigajoules per ton to produce while aluminum takes about 6 times more, 150 to 220 gigajoules.
     


     

    Okay, got it? Now try this week's Puzzler:

    http://www.ArchitectureWeek.com/quiz.html


     

    Dave Guadagni, AIA, is an architect with Robertson/Sherwood/Architects

    Quizzical Pursuit is Copyright 2001, Dave Guadagni.

    AW

    ArchWeek Image

    Early electric furnace in an American steel works.
    Image: www.arttoday.com

     
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