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The Rate of Heat Flow Through a Slab Is Pcond

Question 69

Multiple Choice

The rate of heat flow through a slab is Pcond.If the slab thickness is doubled, its cross-sectional area is halved, and the temperature difference across it is doubled, then the rate of heat flow becomes:


A) 2Pcond
B) Pcond/2
C) Pcond
D) Pcond/8
E) 8Pcond

Correct Answer:

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