MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Rocket Propulsion knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following terms doesn’t relate to docking? |
| A. | Lock-on |
| B. | Rendezvous maneuver |
| C. | Spacecrafts |
| D. | Heat shield |
| Answer» E. | |
| 2. |
Which of the following is the most effective way of slowing a rocket during reentry and landing maneuver into the moon? |
| A. | The atmospheric drag |
| B. | Deploying landing parachutes |
| C. | Reverse thrust |
| D. | Deploying heat shields |
| Answer» D. Deploying heat shields | |
| 3. |
Station keeping maneuvers are ___________ |
| A. | orbit maintenance maneuvers |
| B. | velocity adjustment maneuvers |
| C. | first stage propulsion control |
| D. | orbit transfer maneuvers |
| Answer» B. velocity adjustment maneuvers | |
| 4. |
Which of the following is not a property of inflight correction maneuver? |
| A. | Low thrust |
| B. | Pulsing |
| C. | Long duration |
| D. | Uses reaction control systems |
| Answer» D. Uses reaction control systems | |
| 5. |
In the case of orbital transfer from one orbit to another, if the new orbit is higher, then the thrusts are applied in the opposite direction to the flight velocity vector. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Which of the following processes requires accurately predetermined impulses for a rocket engine? |
| A. | Launching |
| B. | Re-entry |
| C. | Orbit Injection |
| D. | Coasting |
| Answer» D. Coasting | |
| 7. |
What kind of maneuvers are typically provided by the reaction control systems? |
| A. | Misaligned thrust maneuvers |
| B. | Translational maneuvers |
| C. | Truly rotational maneuvers |
| D. | Circular maneuvers |
| Answer» D. Circular maneuvers | |
| 8. |
What is the thrust required for a truly rotational maneuver? |
| A. | Infinite |
| B. | Zero |
| C. | In the order of mega-Newtons |
| D. | In the order of milli-Newtons |
| Answer» B. Zero | |
| 9. |
An example for an unpowered maneuvering is ___________ |
| A. | coasting |
| B. | translational maneuver |
| C. | cruising |
| D. | freefall |
| Answer» B. translational maneuver | |
| 10. |
Rocket propulsion thrust vector passes through the ___________ of the vehicle. |
| A. | center of gravity |
| B. | center of pressure |
| C. | neutral point |
| D. | maneuvering point |
| Answer» B. center of pressure | |