A rod of 10 mm square section and 160 mm length with thermal conductiv – McqOptions

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1.	A rod of 10 mm square section and 160 mm length with thermal conductivity of 50W/m K protrudes from a furnace wall at 200 degree Celsius with convective coefficient 20 W/ square m K. Make calculations for the heat convective up to 80 mm length
A.	6.84W
B.	7.34W
C.	4.54W
D.	5.47W
Answer» B. 7.34W

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