MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the value of grey body factor for concentric cylinders? |
| A. | 3/ [1 – e <sub>1</sub>/e<sub> 1</sub> + 1 + 1 – e <sub>2</sub>/e<sub> 2</sub> (A <sub>1</sub>/A <sub>2</sub>)]. |
| B. | 4/ [1 – e <sub>1</sub>/e<sub> 1</sub> + 1 + 1 – e <sub>2</sub>/e<sub> 2</sub> (A <sub>1</sub>/A <sub>2</sub>)]. |
| C. | 1/ [1 – e <sub>1</sub>/e<sub> 1</sub> + 1 + 1 – e <sub>2</sub>/e<sub> 2</sub> (A <sub>1</sub>/A <sub>2</sub>)]. |
| D. | 2/ [1 – e <sub>1</sub>/e<sub> 1</sub> + 1 + 1 – e <sub>2</sub>/e<sub> 2</sub> (A <sub>1</sub>/A <sub>2</sub>)]. |
| Answer» D. 2/ [1 ‚Äö√Ñ√∂‚àö√ë‚àö¬® e <sub>1</sub>/e<sub> 1</sub> + 1 + 1 ‚Äö√Ñ√∂‚àö√ë‚àö¬® e <sub>2</sub>/e<sub> 2</sub> (A <sub>1</sub>/A <sub>2</sub>)]. | |