A steel rod of 12mm in diameter and 60mm long with an insulated end is to...
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A steel rod of 12mm in diameter and 60mm long with an insulated end is to be used as a spine. It is exposed to surroundings with a temperature of 60°C and a heat transfer coefficient of 55 W/m2°C. For this fin the efficiency is found that 62.18%, then the effectiveness of the fin is (a) 0.6218 (c) 1.386 (b) 3.109 (d) 12.43 A steel rod of 12mm in diameter and 60mm long with an insulated end is to be used as a spine. It is exposed to surroundings with a temperature of 60°C and a heat transfer coefficient of 55 W/m2°C. For this fin the efficiency is found that 62.18%, then the effectiveness of the fin is (a) 0.6218 (c) 1.386 (b) 3.109 (d) 12.43
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