If the units for \( c_p \) and \( \mu \) are Btu/(slug · °F) and slug/(ft · h), respectively, what must be the USCS units of thermal conductivity in the definition of \( Pr \)?- a. (ft · h · °F)/Btu- b. Btu/(ft · h · °F)- c. (Btu · ft · h)/(slug² · °F)- d. (slug² · °F)/(Btu · ft · h)

Answered: Image /qna-images/answer/b16e9319-cdce-4b95-9c4b-4da303ae987e.jpg

Answered: ne units for c, and u are Btu/(slug -…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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A house wall is composed of 3 layers in series to each other. There is an Aluminum layer that is 4 cm thick, Copper layer that is 6 cm think and Gold layer that is 3 cm thick. What is the total conductivity of the wall and its R-value in units of ft2.F.hr/Btu? [KAl = 2.37 W/cm.C, KCu = 4.01 W/cm.C, KAu = 3.17 W/cm.C]
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1. Composite Brick Wall A 3.0 in thick brick wall has an outside surface temperature of 15 o F at a certain time in severe winter weather. The inside 0.5 in thick wallboard, which is separated from the brick wall by a 6-in air gap, has an inside surface temperature of 78 o F. Determine (a) the R-value Rv of the wall and (b) the heat rate q'' in [Btu/h·ft 2 ] through this wall. Assume that the air between the brick and wallboard surfaces does not circulate.
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ne units for c, and u are Btu/(slug - °F) and slug/(ft - h), respectively, what must be the USCS units of thermal conductivity in the definition of a. (ft - h. °F)/Btu b. Btu/(ft · h. °F) c. (Btu - ft - h)/(slug² . °F)