

MCQOPTIONS
Saved Bookmarks
1. |
Of the radiant energy 350W/m² incident upon a surface 250W/m² is absorbed, 60W/m² is reflected and the remainder is transmitted through the surface. Workout the value for absorptivity for the surface material |
A. | 0.113 |
B. | 0.114 |
C. | 0.115 |
D. | 0.116 |
Answer» D. 0.116 | |