A 40 foot long aluminum street lighting support is sized

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A 40 foot long aluminum street lighting support is sized and welded into position between two very large bridge beams on a hot summer day when the temperature of the aluminum support is 125 degrees Fahrenheit. At a winter temperature of -20 degrees Fahrenheit, what is the type of stress in the support and what is the magnitude of the stress level in the support?

Reference no: EM13625774

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