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0.B 0.3 E2 um) 0 6 If the surface is maintained at 500 K, when irradiated by large surroundings of emissivity of 0.8 and
Posted: Mon May 09, 2022 2:19 pm
by answerhappygod
- 0 B 0 3 E2 Um 0 6 If The Surface Is Maintained At 500 K When Irradiated By Large Surroundings Of Emissivity Of 0 8 And 1 (80.73 KiB) Viewed 20 times
0.B 0.3 E2 um) 0 6 If the surface is maintained at 500 K, when irradiated by large surroundings of emissivity of 0.8 and temperature 1000 K, what is the total, hemispherical emissivity of the surface? A. 0.437 B. 0.669 C. 0.800 D. 0.783 Question 5 (1 point) The spectral emissivity of an opaque, diffuse surface is shown below. 0.8 E. €7.,2 0.3 2.1 2.(um) o 6 If the surface is maintained at 500 K, when irradiated by large surroundings of emissivity of 0.8 and temperature 1000 K, what is the total, hemispherical absorptivity of the surface? A. 0.356 B. 0.437 C. 0.669 D. 0.783 Question 6 (1 point) What is the radiosity (in W/m2) of a surface when the opaque, diffuse surface is maintained at 500 K and subjected to irradiation from a blackbody surface with temperature of 1000 K? Assume total, hemispherical emissivity and absorptivity is 0.3 and 0.6, respectively. A. 12,403 B. 23,743 C. 55,632 D. 111,128 Muestion 7(1 point)