MCQOPTIONS
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MCQOPTIONS
This section includes 8 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 component of the external tank of Space Shuttle served the main purpose of distributing thrust loads from SRBs? |
| A. | LOX tank |
| B. | LH<sub>2</sub> tank |
| C. | Intertank |
| D. | Contractor |
| Answer» D. Contractor | |
| 2. |
Who is the innovative rocket designer who created Atlas ICBM? |
| A. | Stewart Powell |
| B. | Karel Bossart |
| C. | John von Neumann |
| D. | Bernard A. Schriever |
| Answer» C. John von Neumann | |
| 3. |
When does the slosh-dynamics problem become useful? |
| A. | When the liquid has a free surface |
| B. | When the liquid has no free surface |
| C. | When the liquid is non-Newtonian |
| D. | When the material stored inside the tank is thixotropic |
| Answer» B. When the liquid has no free surface | |
| 4. |
A good propellant tank must ensure that sloshing is ___________ and vortexing is ____________ |
| A. | minimized; maximized |
| B. | maximized; minimized |
| C. | maximized; maximized |
| D. | minimized; minimized |
| Answer» E. | |
| 5. |
What happens to the vehicle mass ratio (Initial mass / Burnout mass) when the residual propellant is not available for combustion? |
| A. | Decreases slightly |
| B. | Increases slightly |
| C. | Increases rapidly |
| D. | Decreases rapidly |
| Answer» B. Increases slightly | |
| 6. |
Determine the amount of propellant trapped in pipe, fittings, and valve corners and lost by other means, if the initial mass of the propellant was M and it had an expulsion efficiency of 97%. |
| A. | 0.97M |
| B. | 0.03M |
| C. | 0.06M |
| D. | 0.48M |
| Answer» C. 0.06M | |
| 7. |
What is ullage? |
| A. | The volume of propellant stored inside a tank neglecting its empty volume |
| B. | The extra volume of gas above the propellant in a tank |
| C. | The ratio of the volume of extra gas to that of the propellant after 50% of the propellant has been consumed |
| D. | The ratio of the volume of the propellant to that of the extra gas after 50% of the propellant has been consumed |
| Answer» C. The ratio of the volume of extra gas to that of the propellant after 50% of the propellant has been consumed | |
| 8. |
Which of the following materials of the propellant tank requires a thin inner liner of metal to avoid leakage? |
| A. | Titanium |
| B. | Aluminum |
| C. | Stainless steel |
| D. | Fiber-reinforced plastics |
| Answer» E. | |