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Determine temperature of ball after 10 second and time for

Alloy steel ball of 2 mm diameter heated to 800^oC is quenched in a bath at 100^oC. The material properties of the ball are K = 205 kJ/m hr K, ? rho= 7860 kg/m³, Cp = 0.45 kJ/kg K, h = 150 KJ/ hr m² K. Determine (i) Temperature of ball after 10 second and (ii) Time for ball to cool to 400^oC.

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Mechanical Engineering: Determine temperature of ball after 10 second and time for

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