 
			 
			MCQOPTIONS
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				| 1. | The monochromatic emissivity € of a diffuse surface at 1600 K varies with wavelength in the following manner€ = 0.4 for 0 < λ < 2 = 0.8 for 2 < λ < 5Determine the total emissivity | 
| A. | 0.5558 | 
| B. | 0.5568 | 
| C. | 0.5578 | 
| D. | 0.5588 | 
| Answer» D. 0.5588 | |