Question: Problem 5 : A large block of steel, which is initially at a uniform temperature of 3 0 C , is suddenly changed to and

Problem 5:
A large block of steel, which is initially at a uniform temperature of 30C, is suddenly changed to and held at 200C. Calculate the temperature at a depth of 20mm after 60s. For steel, k=45WmK, and =1.210-5m2s.
Problem 5: A large block of steel, which is initially at

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