Q11. 40% of incident radiant energy on the surface of a thermally transparent body is reflected back. body be 0.15, then the emissivity of surface is: Ops: A 00.45 8. 00.55 C. 00.40 D. 0.75
Q11. 40% of incident radiant energy on the surface of a thermally transparent body is reflected back. body be 0.15, then the emissivity of surface is: Ops: A 00.45 8. 00.55 C. 00.40 D. 0.75
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter8: Natural Convection
Section: Chapter Questions
Problem 8.30P
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![Q 11. 40% of incident radiant energy on the surface of a thermally transparent body is reflected back. 1 the transmissuty d te
body be 0.15, then the emissivity of suiface is:
Ops: A. O0.45
B. O0.55
C. 00.40
D. 00.75](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F22e2e97f-98d7-484e-a73e-aeb4287bcf8b%2Fdf14633b-693a-45b3-a76e-08642daf8a72%2Fkpdf1w6_processed.png&w=3840&q=75)
Transcribed Image Text:Q 11. 40% of incident radiant energy on the surface of a thermally transparent body is reflected back. 1 the transmissuty d te
body be 0.15, then the emissivity of suiface is:
Ops: A. O0.45
B. O0.55
C. 00.40
D. 00.75
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