A plane wall is 20cm thick with an area perpendicular to heat flow of 1m2 and has a thermal conductivity of 0.5W/mK. A temperature difference of 100 C is imposed across it. What is the ratio of heat flow?

A plane wall is 20cm thick with an area perpendicular to heat flow of

1.	A plane wall is 20cm thick with an area perpendicular to heat flow of 1m² and has a thermal conductivity of 0.5W/mK. A temperature difference of 100 C is imposed across it. What is the ratio of heat flow?
A.	0.10 kW
B.	0.15 kW
C.	0.20 kW
D.	0.25 kW
Answer» D. 0.25 kW

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A plane wall is 20cm thick with an area perpendicular to heat flow of 1m2 and has a thermal conductivity of 0.5W/mK. A temperature difference of 100 C is imposed across it. What is the ratio of heat flow?

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A plane wall is 20cm thick with an area perpendicular to heat flow of 1m² and has a thermal conductivity of 0.5W/mK. A temperature difference of 100 C is imposed across it. What is the ratio of heat flow?