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Consider steady-state heat conduction across the thickness in a plane composite wall (as shown in the figure) exposed to convection conditions on both sides.
Given: hi = 20 W/m2K; ho = 50 W/m2K; T∞.i = 20° C ; T∞.i = -  2° C ;
k1 = 20 W/mK; k2 = 50 W/mK; L= 0.30 m and L2 = 0.15 m.
Assuming negligible contact resistance between the wall surfaces, the interface temperature, T (in °C), of the two walls will be:
  • a)
    – 0.50
  • b)
    2.75
  • c)
    3.75
  • d)
    4.50
Correct answer is option 'C'. Can you explain this answer?
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Consider steady-state heat conduction across the thickness in a plane ...
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Consider steady-state heat conduction across the thickness in a plane composite wall (as shown in the figure) exposed to convection conditions on both sides.Given: hi = 20 W/m2K; ho = 50 W/m2K; T∞.i = 20°C ; T∞.i = - 2°C ;k1 = 20 W/mK; k2 = 50 W/mK; L1= 0.30 m and L2 = 0.15 m.Assuming negligible contact resistance between the wall surfaces, the interface temperature, T (in °C), of the two walls will be:a)– 0.50b)2.75c)3.75d)4.50Correct answer is option 'C'. Can you explain this answer?
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Consider steady-state heat conduction across the thickness in a plane composite wall (as shown in the figure) exposed to convection conditions on both sides.Given: hi = 20 W/m2K; ho = 50 W/m2K; T∞.i = 20°C ; T∞.i = - 2°C ;k1 = 20 W/mK; k2 = 50 W/mK; L1= 0.30 m and L2 = 0.15 m.Assuming negligible contact resistance between the wall surfaces, the interface temperature, T (in °C), of the two walls will be:a)– 0.50b)2.75c)3.75d)4.50Correct answer is option 'C'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Consider steady-state heat conduction across the thickness in a plane composite wall (as shown in the figure) exposed to convection conditions on both sides.Given: hi = 20 W/m2K; ho = 50 W/m2K; T∞.i = 20°C ; T∞.i = - 2°C ;k1 = 20 W/mK; k2 = 50 W/mK; L1= 0.30 m and L2 = 0.15 m.Assuming negligible contact resistance between the wall surfaces, the interface temperature, T (in °C), of the two walls will be:a)– 0.50b)2.75c)3.75d)4.50Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider steady-state heat conduction across the thickness in a plane composite wall (as shown in the figure) exposed to convection conditions on both sides.Given: hi = 20 W/m2K; ho = 50 W/m2K; T∞.i = 20°C ; T∞.i = - 2°C ;k1 = 20 W/mK; k2 = 50 W/mK; L1= 0.30 m and L2 = 0.15 m.Assuming negligible contact resistance between the wall surfaces, the interface temperature, T (in °C), of the two walls will be:a)– 0.50b)2.75c)3.75d)4.50Correct answer is option 'C'. Can you explain this answer?.
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