MCQOPTIONS
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| 1. |
Which of the following describes the typical range of specific impulse in vacuum produced by the major LOX and LH propellant driven engines? |
| A. | 400-500 s |
| B. | 300-400 s |
| C. | 150-300 s |
| D. | 0-150 s |
| Answer» B. 300-400 s | |