The thermal conductivities of brick and pine word are, respectively 0. – McqOptions

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1.	The thermal conductivities of brick and pine word are, respectively 0.6 and 0.13 W/(m.°C). What thickness of brick has the same insulating ability at 5 cm of pine?
A.	23 cm
B.	4.6 cm
C.	30 cm
D.	5 cm
Answer» B. 4.6 cm

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