A surveyors steel tape is exactly 100 ft long between end


Question: 1. A surveyor's steel tape is exactly 100 ft long between end markings at 70°F. What error is made in measuring a distance of 1000 ft when the temperature of the tape is 32°F?

2. An aluminum wire is stretched between two rigid supports. If the tensile stress in the wire is 5000 psi at 68°F, what is it at 32°F and 90°F? Assume that the proportional limit is 35,000 psi.

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