A Series of Railroad Track Sections,each 17 M in Length,are $\circ$

question 25

Multiple Choice

A series of railroad track sections,each 17 m in length,are set together on a track.They each must be able to withstand a temperature range from -5 ^$\circ$ F to 95 ^$\circ$ F.How large a gap should be made between each track segment? The coefficient of expansion of steel is 13 * 10^{-6 $\circ$} C^-1.

• A)0.6cm
• B)1.1cm
• C)1.2cm
• D)2.2cm
• E)More information is needed.

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Definitions:

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