A plane wall has a thermal conductivity of 1.15 W/mK. If the inner surface is at 1100 C and the outer surface is at 350 C, then the design thickness (in meter) of the wall to maintain a steady heat flux of 2500 W/m2 should be

A plane wall has a thermal conductivity of 1.15 W/mK. If the inner sur

1.	A plane wall has a thermal conductivity of 1.15 W/mK. If the inner surface is at 1100 C and the outer surface is at 350 C, then the design thickness (in meter) of the wall to maintain a steady heat flux of 2500 W/m2 should be
A.	0.345 m.
B.	0.245 m.
C.	1.145 m.
D.	1.345 m.
Answer» B. 0.245 m.

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A plane wall has a thermal conductivity of 1.15 W/mK. If the inner surface is at 1100 C and the outer surface is at 350 C, then the design thickness (in meter) of the wall to maintain a steady heat flux of 2500 W/m2 should be

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