A copper steel rod (k = 55 W/m degree) has been attached to a plane wa – McqOptions

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1.	A copper steel rod (k = 55 W/m degree) has been attached to a plane wall which is maintained at a temperature of 350 degree Celsius. The rod is 8 cm long and has the cross-section of an equilateral triangle with each side 5 mm. Determine the heat dissipation from the rod if it is exposed to a convection environment at 25 degree Celsius with unit surface conductance 100 W/m2 degree. Consider end surface loss to be negligible
A.	10.26 W
B.	9.26 W
C.	8.26 W
D.	7.26 W
Answer» C. 8.26 W

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