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Part II: Answer the following Three questions - (16 marks) Q5. A long copper rod of diameter 2.0 cm is initially at a un
Posted: Sun May 15, 2022 9:04 pm
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- Part Ii Answer The Following Three Questions 16 Marks Q5 A Long Copper Rod Of Diameter 2 0 Cm Is Initially At A Un 1 (20.04 KiB) Viewed 45 times
Part II: Answer the following Three questions - (16 marks) Q5. A long copper rod of diameter 2.0 cm is initially at a uniform temperature of 100°C. It is now exposed to an air stream at 25°C with a heat transfer coefficient of 200 W/m²K. How long would it take for the copper road to cool to an average temperature of 35°C? [4 marks) D= 2 cm T,= 100°C Figure 25