Mechanical Engineering > GATE 2016 SET-1 > Conduction
A plastic sleeve of outer radius ro = 1 mm covers a wire (radius r = 0.5 mm) carrying electric current. Thermal conductivity of the plastic is 0.15 W/m-K. The heat transfer coefficient on the outer surface of the sleeve exposed to air is 25 W/m2-K. Due to the addition of the plastic cover, the heat transfer from the wire to the ambient will
Explanation
Correct : a
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