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Thermal Propert...

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  • Question 1
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    A steel tape 1m long is correctly calibrated for a temperature of 27.0∘C. The length of a steel rod measured by this tape is found to be 63.0 cm on a hot day when the temperature is 45.0 ∘C. What is the actual length of the steel rod on that day? Coefficient of linear expansion of steel = 1.20 × 10−5

  • Question 2
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    A hole is drilled in a copper sheet. The diameter of the hole is 4.24 cm at 27.0oC. What is the change in the diameter of the hole when the sheet is heated to 227oC? Coefficient of linear expansion of copper = 1.70 × 10-5 K–1.

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