Question

the concrete roof of a house of thickness 20 cm has an area 200m² . the temperature Inside the house is 15°C and outside is 35°C . Find the rate at which thermal energy will be conducted through roof . the value of k for concrete is 0.65 Wm-¹ K-¹.
help me tomorrow is my test ​

Answer 1

The concrete roof of a house of thickness 20 cm has an area 250 m². The temperature inside the house is 15 °C and outside is 35ºC. Find the rate at which thermal energy will be conducted through the roof.
(The value of k for concrete is
0.65 Wm -1 K -1.)