Two walls of same thickness and cross-sectional area have thermal, con – McqOptions

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1.	Two walls of same thickness and cross-sectional area have thermal, conductivities in the ration 1 : 2. If the ratio of temperature drop across the two walls is 2 : 3, what is the ratio of heat flow?
A.	1 : 2
B.	1 : 3
C.	2 : 1
D.	3 : 1
Answer» C. 2 : 1

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