One of the given statement is true Kirchoff's law shows that emissivity is the same as transmissivity for blackbodies Incident radiation is the sum of the reflected and emitted radiation The sum of the absorptivity, transmissivity and reflectivity can be more than 1 for real bodies None of the given Radiosity is another form of the Stefan-Boltzmann law

One of the given statement is true Kirchoff's law shows that emissivity is the same as transmissivity for blackbodies Incident radiation is the sum of the reflected and emitted radiation The sum of the absorptivity, transmissivity and reflectivity can be more than 1 for real bodies None of the given Radiosity is another form of the Stefan-Boltzmann law

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.

Chapter11: Heat Transfer By Radiation

Section: Chapter Questions

Problem 11.10P

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1.26 Repeat Problem 1.25 but assume that the surface of the storage vessel has an absorbance (equal to the emittance) of 0.1. Then determine the rate of evaporation of the liquid oxygen in kilograms per second and pounds per hour, assuming that convection can be neglected. The heat of vaporization of oxygen at –183°C is .
One of the given statement is true A) Kirchoff's law shows that emissivity is the same as transmissivity for blackbodies B) Incident radiation is the sum of the reflected and emitted radiation C) Radiosity is another form of the Stefan-Boltzmann law D) The sum of the absorptivity, transmissivity and reflectivity can be more than 1 for real bodies E) None of the above
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