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    Determine Fourier Number

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    Compare two identical steel spheres, except the first has a two inch diameter while the second sphere has a four inch diameter. The larger sphere will have a Fourier number approximately:

    a) half that of the smaller sphere

    b) four times larger than that of the smaller sphere

    c) twenty-five percent of the value of that of the smaller sphere

    d) the Fourier numbers will be identical

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    Solution Preview

    The Fourier nNumber of the objects keeping all other parameters same is inversely dependent on the square of the length of the heat ...

    Solution Summary

    This solution determines the Fourier number with a sphere of diameter 2cm and justifies the answer. Two identical steel spheres are analyzed.