Q5. (20 marks) A hollow sphere of inner radius n = 30 cm and outer radius 12 = 50 cm is heated at the inner surface. The

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Q5. (20 marks) A hollow sphere of inner radius n = 30 cm and outer radius 12 = 50 cm is heated at the inner surface. The

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Q5 20 Marks A Hollow Sphere Of Inner Radius N 30 Cm And Outer Radius 12 50 Cm Is Heated At The Inner Surface The 1
Q5 20 Marks A Hollow Sphere Of Inner Radius N 30 Cm And Outer Radius 12 50 Cm Is Heated At The Inner Surface The 1 (28.04 KiB) Viewed 74 times
Q5. (20 marks) A hollow sphere of inner radius n = 30 cm and outer radius 12 = 50 cm is heated at the inner surface. The rate of heat flow out of the sphere is 11.30 kW. The temperature at the inside and outside surfaces of the sphere is T and T2. The thermal conductivity of the material is k=170 W(m.K)!. (a) Demonstrate that the rate of heat conduction is computed by the formula: P=4stkrira T-T, 12-11 (b) Find the difference of temperature between two surfaces of the sphere.
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