The Coefficient of Linear Expansion of Copper Is 17 ×

question 82

Multiple Choice

The coefficient of linear expansion of copper is 17 × 10^-6 K^-1 and that of steel is 12 × 10^-6 K^-1.At 12°C a steel rod has a diameter of 2.540 cm and a copper pipe has a diameter of 2.536 cm.If they are heated together to a higher temperature,which one of the following quantities is closest to the common temperature at which the steel rod will fit snugly in the copper pipe?

• A)310°C
• B)330°C
• C)340°C
• D)350°C
• E)380°C

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