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| Q. |
In rocket engines the amount of expansion in Nozzle determines the |
| A. | exit temperature |
| B. | exit pressure |
| C. | exit temperature & pressure |
| D. | none of the mentioned |
| Answer» C. exit temperature & pressure | |
| Explanation: when the flow is subsonic, air in nozzle expands isoentropically and hence exit temperature and exit pressure depends on the amount of expansion. | |
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