Lead shot having an average diameter of 5.1 mm is at an initial temperature of 204.4 °C. To quench the shot it is added to a quenching oil bath held at 32.2 °C and falls to the bottom. The time of fall is 15 s. Assuming an average convection coefficient of h = 199 W/m2-K, what will be the temperature of the shot after the fall? For lead, p = 11,370 kg/m³ and c = 0.138 kJ/kg:K. %3D

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