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 (18.33 KiB) Viewed 57 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)'. I-T (a) Demonstrate that the rate of heat conduction is computed by the formula: P =4nkri 12-1 (b) Find the difference of temperature between two surfaces of the sphere.
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