A Long Steel Beam Has a Length of Twenty-Eight Meters

question 28

Multiple Choice

A long steel beam has a length of twenty-eight meters on a cold day when the temperature is 0°C.What is the length of the beam on a hot day when T = 39°C? (α_steel = 1.1 × 10−⁵/C°)

• A)28.009 m
• B)28.015 m
• C)28.012 m
• D)28.036 m
• E)​28.004 m

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