Question: Q4. Air at 30C,6m/s flows in a rectangular section of size 300800mm. Calculate the heat leakage per meter length per unit temperature difference. [Answer (Q//

Q4. Air at 30C,6m/s flows in a rectangular section of size 300800mm. Calculate the heat leakage per meter length per unit temperature difference. [Answer (Q// LAT) =39.79W ] Q5. Air at 333K,1 bar pressure, flow through 12cm diameter tube. The surface temperature of the tube is

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