Quiz . 07 December 2011                     
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    QUIZ

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    Quizzical Pursuit
    —The Architecture Puzzler

    Created by Dave Guadagni

     

    Architecture Puzzler #542

    What do you know about lightning? True or False:

    The Empire State Building is struck about seven times a year.

    On average, a commercial airliner is struck once during every 5,000 to 10,000 hours of flying time.

    Roughly 2,000 thunderstorms are in progress over the earth's surface at any given time, producing as many as 100 cloud-to-ground discharges every second.

    The Midwestern states experience the most lightning activity in the United States.

    A lightning channel is about 8 inches (20 centimeters) in diameter.

    A lightning flash could light a 100-watt bulb for three months.


     

    Question from Last Week:
    Architecture Puzzler #541

    If you combine two sound sources, each at 50 decibels (dB) what will be the resultant dB level? If you double the distance to a sound source, you reduce the dB by how much?  

    Answer to Puzzler #541


     

    Come back next week for the answer to Architecture Puzzler #542!
    To make sure you'll find the answer, bookmark the Architecture Puzzler now:

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


     

    Want more? Click here for our complete Architecture Puzzler Archive:

    Architecture Puzzler Archive
     

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

    Quizzical Pursuit is Copyright 2011, Dave Guadagni.

    AW


    ArchWeek Image

    The mooring tower atop the Empire State Building (1931) was originally intended for docking dirigibles. A broadcast tower was later added above it.
    Photo: Howard Davis/ Artifice Images

     
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