MCQOPTIONS
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| 1. |
Which of the following ranges describes the typical value of mixture ratio in the engines: SSME, RS-68, LE-5A and Vulcan? |
| A. | 4-7 |
| B. | 12-15 |
| C. | 1-4 |
| D. | 15-20 |
| Answer» B. 12-15 | |