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. |
Payload carrying capacity decreases with the altitude achieved by the rocket. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
__________ is that part of a launch vehicle that carries the payload. |
| A. | Spacecraft |
| B. | Booster stage |
| C. | Sustainer stage |
| D. | Control and guidance system |
| Answer» B. Booster stage | |
| 3. |
Which of the following operations does the small reaction control thrusters in Space Shuttle doesn’t serve? |
| A. | Attitude control |
| B. | Small trajectory corrections |
| C. | Docking |
| D. | Take-off |
| Answer» E. | |
| 4. |
Which of the following terms are not related to a strap-on stage of a rocket engine? |
| A. | Booster stage |
| B. | Half stage |
| C. | Zero stage |
| D. | Sustainer stage |
| Answer» E. | |
| 5. |
Usually, the thrusts required by a rocket system __________ from upper to lower stages. |
| A. | increases |
| B. | decreases |
| C. | first increases and then decreases |
| D. | first decreases and then increases |
| Answer» C. first increases and then decreases | |
| 6. |
If the theoretical payload increases by the use of a third stage for an initially two stage rockets is 8-10%, which of the following values is a logical value for theoretical payload increase for the use of an additional fourth stage? |
| A. | -4 to -6% |
| B. | 3 to 5% |
| C. | 8 to 10% |
| D. | 12 to 14% |
| Answer» C. 8 to 10% | |
| 7. |
Strap-on booster stages are an example of ______ staging. |
| A. | parallel |
| B. | tandem |
| C. | partial |
| D. | piggyback |
| Answer» B. tandem | |
| 8. |
Determine the mass ratio (Initial mass/Burnout mass) for each stage for a 3-stage rocket, given the total velocity increment is 2000 m/s, mass ratio is constant for all stages and the exhaust velocity is constant for all stages with a value of 3000 m/s. |
| A. | 2.51 |
| B. | 1.52 |
| C. | 2.15 |
| D. | 1.25 |
| Answer» E. | |
| 9. |
If the velocity increments of the first, second, and third stages are 1000 m/s, 500 m/s and 250 m/s respectively, determine the total velocity increment. |
| A. | 2750 m/s |
| B. | 1375 m/s |
| C. | 1750 m/s |
| D. | 3500 m/s |
| Answer» D. 3500 m/s | |
| 10. |
Depending on the mission profile, the most economical number of steps / expended stages for a multistage rocket is between _____ and ______ |
| A. | 2, 10 |
| B. | 4, 9 |
| C. | 2, 6 |
| D. | 4, 7 |
| Answer» D. 4, 7 | |