 
			 
			MCQOPTIONS
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				| 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 | |