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(2) juhäi The heat is dissipated from the plate by convection and radiation into surrounds at 20 C. Take ɛ =0.8 , o =5.67x10**-8 and ho = 6 W/m**2. K. If the surface temperature of the plate is 50 C ,the value of the heat : flux from the plate is 309.71 W /m2 O None O 394.93 W/m2 O 479.27 W /m2

(2) juhäi The heat is dissipated from the plate by convection and radiation into surrounds at 20 C. Take ɛ =0.8 , o =5.67x10**-8 and ho = 6 W/m**2. K. If the surface temperature of the plate is 50 C ,the value of the heat : flux from the plate is 309.71 W /m2 O None O 394.93 W/m2 O 479.27 W /m2

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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needed solution now please the heat transfer through half hr
(2) juhäi The heat is dissipated from the plate by convection and radiation into surrounds at 20 C. Take ɛ =0.8 , o =5.67x10**-8 and hoo = 6 W/m**2. K. If the surface temperature of the plate is 50 C ,the value of the heat : flux from the plate is 309.71 W /m2 O None 394.93 W/m2 479.27 W /m2 (2) juhäi A rectangular fin with k=43 W/m.C, thickness t=2 cm , length L=14 cm and width W=1 m. The base of the fin is maintained at a temperature of 200 C while the fin is exposed to a convection environment at To= 15 C and ho = 20 W/m2 .C .Using the chart , calculate the heat lost from . the fin None 486 W/m 632 W/m O 391 W/m II >
Transcribed Image Text:(2) juhäi The heat is dissipated from the plate by convection and radiation into surrounds at 20 C. Take ɛ =0.8 , o =5.67x10**-8 and hoo = 6 W/m**2. K. If the surface temperature of the plate is 50 C ,the value of the heat : flux from the plate is 309.71 W /m2 O None 394.93 W/m2 479.27 W /m2 (2) juhäi A rectangular fin with k=43 W/m.C, thickness t=2 cm , length L=14 cm and width W=1 m. The base of the fin is maintained at a temperature of 200 C while the fin is exposed to a convection environment at To= 15 C and ho = 20 W/m2 .C .Using the chart , calculate the heat lost from . the fin None 486 W/m 632 W/m O 391 W/m II >
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