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. | |