Cylindrical stainless steel rods are heated to a uniform temperature of 700C and then quenched in water

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Cylindrical stainless steel rods are heated to a uniform temperature of 700°C and then quenched in water at 1 atm. The rods are 25 cm in length, 25 mm in diameter, and their surface have an emissivity of 0.3. Determine the convection heat transfer coefficient and the total rate of heat removed from a rod at the instant it is submerged in the water during quenching.

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