Another of the steel components manufactured by michael's company is steel railway track sections. The component has a length of 120m (at a temperature of -10°C) and is to be exposed to a temperature range of -10°C to 55°C. In order to calculate the gaps which need to be left between the sections michael's customer needs to determine the maximum length which each railway track section will expand to and michael have been asked to carry out the calculation for them. michael have also been instructed to determine the percentage change in volume and surface area when exposed to the same initial and final temperatures. The customer has informed him that the cross sectional profile of the railway track is rectangular and of breadth 14cm and height 32cm. Assume the coefficient of thermal expansion of steel is 12x10-6 /°C. Briefly discuss the changes that occur with in the steel as a result of the change in temperature.
Another of the steel components manufactured by michael's company is steel railway track sections. The
component has a length of 120m (at a temperature of -10°C) and is to be exposed to a temperature
range of -10°C to 55°C. In order to calculate the gaps which need to be left between the sections michael's
customer needs to determine the maximum length which each railway track section will expand to and
michael have been asked to carry out the calculation for them. michael have also been instructed to determine
the percentage change in volume and surface area when exposed to the same initial and final
temperatures. The customer has informed him that the cross sectional profile of the railway track is
rectangular and of breadth 14cm and height 32cm. Assume the coefficient of thermal expansion of
steel is 12x10-6 /°C. Briefly discuss the changes that occur with in the steel as a result of the change in
temperature.
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