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A Solid Concrete Wall 4

Question 60

Multiple Choice

A solid concrete wall 4.0 m by 2.4 m and 30 cm thick,with a thermal conductivity of A solid concrete wall 4.0 m by 2.4 m and 30 cm thick,with a thermal conductivity of ,separates a basement at 18°C from the ground outside at 6°C.Under steady state conditions,how much heat flows through the wall in one hour? A) 1.8 MJ B) 1.8 kJ C) 500 J D) 5.0 MJ E) 5.0 kJ ,separates a basement at 18°C from the ground outside at 6°C.Under steady state conditions,how much heat flows through the wall in one hour?


A) 1.8 MJ
B) 1.8 kJ
C) 500 J
D) 5.0 MJ
E) 5.0 kJ

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