Heat Transfer Set 3

reflected ✘ refracted ✘ transmitted ✘ absorbed ✔ partly reflected and partly absorbed. ✔

grey body ✘ brilliant white polished body ✘ red hot body ✘ black body ✔ none of the above. ✔

conduction ✘ convection ✘ radiation ✘ conduction and convection ✔ convection and radiation. ✔

kcal/m2 ✘ kcal/hr ✘ kcal/m2 hr ✘ kacl/m hr ✔ kcal/m3 hr ?C. ✔

universal gas constant ✘ kinematic viscosity ✘ thermal conductivity ✘ Planck ✔ none of the above. ✔

0.1 ✘ 0.3 ✘ 0.7 ✘ 1.7 ✔ 10.5. ✔

Wien ✘ Planck ✘ Stefan ✘ Fourier ✔ Kirchhoff?s law. ✔

same ✘ more ✘ less ✘ depends on other factors ✔ none of the above. ✔

shorter wavelength ✘ longer wavelength ✘ remains same at all wavelengths ✘ wavelength has nothing to do with it ✔ none of the above. ✔

same ✘ higher ✘ more or less same ✘ very much lower ✔ very much higher. ✔