MCQOPTIONS
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| 1. |
For a given chamber pressure, the thrust of a rocket engine is highest when |
| A. | the rocket is operating at its design altitude. |
| B. | the rocket is operating in vacuum |
| C. | the rocket is operating at sea-level. |
| D. | there is a normal shock in the rocket nozzle. |
| Answer» C. the rocket is operating at sea-level. | |