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【Daily Question】Chemical Engineering Principles 212: Multi-layer Plane Walls (October 24)

2015-10-23View Original

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The last edit to this post was made by Zaihui Kangqiao on 2015-10-30 at 13:56. The Chemical Engineering Theory section is now launching a \"One Question per Day\" activity aimed at helping everyone reinforce their basic knowledge in chemical engineering. Subsequent series such as \"Principles of Chemical Engineering\", \"Mass Transfer and Separation\", \"Thermodynamics in Chemical Engineering\", and \"Chemical Process Engineering\" will also be introduced. We hope for your active support! Answers to the questions in the \"One Question per Day\" activity can be viewed directly, and the thread will be closed after 1 day! ! Participation earns 3 wealth points, with an additional 3 wealth points for correct answers~~~ True or False: In steady-state heat conduction through multi-layer planar walls, the driving force is the total temperature difference between the inner and outer wall surfaces; the total thermal resistance is the sum of the reciprocals of the thermal resistances of each layer. ( ) Wrong
Reply #22015-10-23
In the steady-state heat conduction of multi-layer planar walls, the driving force is the total temperature difference between the inner and outer wall surfaces; the total thermal resistance is the sum of the reciprocals of the thermal resistances of each layer. ( Wrong )
Reply #32015-10-23
In the steady-state heat conduction of multi-layer planar walls, the driving force is the total temperature difference between the inner and outer wall surfaces; the total thermal resistance is the sum of the reciprocals of the thermal resistances of each layer. ( Wrong )
Reply #42015-10-23
True or False: In steady-state heat conduction through multi-layer planar walls, the driving force is the total temperature difference between the inner and outer wall surfaces; the total thermal resistance is the sum of the reciprocals of the thermal resistances of each layer. (Correct)
Reply #52015-10-23
True or False: In steady-state heat conduction through multi-layer planar walls, the driving force is the total temperature difference between the inner and outer wall surfaces; the total thermal resistance is the sum of the reciprocals of the thermal resistances of each layer. (Yes)
Reply #62015-10-23
Error---------------------------------------------------------------
Reply #72015-10-23
In the steady-state heat conduction of multi-layer planar walls, the driving force is the total temperature difference between the inner and outer wall surfaces; the total thermal resistance is the sum of the reciprocals of the thermal resistances of each layer. (Yes)
Reply #82015-10-23
In the steady-state heat conduction of multi-layer planar walls, the driving force is the total temperature difference between the inner and outer wall surfaces; the total thermal resistance is the sum of the reciprocals of the thermal resistances of each layer. (Mistake)
Reply #92015-10-23
True or False: In steady-state heat conduction through multi-layer planar walls, the driving force is the total temperature difference between the inner and outer wall surfaces; the total thermal resistance is the sum of the reciprocals of the thermal resistances of each layer. (Correct)
Reply #102015-10-23
×, wrong~~~~~~~~~~~~~~~~~~~~~~
Reply #112015-10-23
The correct answer to this question is wrong.

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