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Engine oil flows through a 25-mm-diameter tube at a rate of 0.5 kg/s. The oil enters the tube at a temperature of 25°C, while the tube surface temperature is maintained at 100°C. (a) Determine the oil
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Engine oil flows through a 25-mm-diameter tube at a rate of 0.5 kg/s. The oil enters the tube at a temperature of 25°C, while the tube surface temperature is maintained at 100°C. (a) Determine the oil outlet temperature for a 5-m and for a 100-m long tube. For each case, compare the log mean temperature difference to the arithmetic mean temperature difference.

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Engine oil flows through a 25-mm-diameter tube at a rate of 0.5 kg/s. The oil enters-example-1
Engine oil flows through a 25-mm-diameter tube at a rate of 0.5 kg/s. The oil enters-example-2
Engine oil flows through a 25-mm-diameter tube at a rate of 0.5 kg/s. The oil enters-example-3
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