Quiz . 05 March 2003                     
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    QUIZ

    Quizzical Pursuit
    —The Architecture Puzzler

    Created by Dave Guadagni

     

    Architecture Puzzler #137

    Of the four types of mortar — M, S, N, and O — M and S are usually used for load-bearing masonry and new construction where high strength is required. Type O is weak and usually only used in interiors. What is type N commonly used for?


     

    Question from Last Week:
    Architecture Puzzler #136

    The average rated life of a lamp refers to the point where 50 percent of a test batch of lamps are still operating. The "lamp life" of an incandescent lamp is 750 to 1000 hours. How much greater is the lamp life of a halogen lamp? A 9-watt compact fluorescent has a lamp life of 10,000 hours. Is the lamp life of an 18-watt fluorescent greater or less?  

    Answer to Puzzler #136


     

    Come back next week for the answer to Architecture Puzzler #137!
    To make sure you'll find the answer, bookmark the Architecture Puzzler now:

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


     

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

    Quizzical Pursuit is Copyright 2003, Dave Guadagni.

    AW


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