MCQOPTIONS
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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. |
What is the simulation of the steady-state, internal conditions and functioning of the engine called? |
| A. | Power balance |
| B. | Optimization |
| C. | Engine balance |
| D. | Engine equilibrium |
| Answer» B. Optimization | |
| 2. |
_________ is not a type of engine by the degree of novelty. |
| A. | New engine with new major components and new design |
| B. | New engine with major components from existing engines. |
| C. | Updated or improved version of a proven engine |
| D. | Reuse of a decommissioned engine |
| Answer» E. | |
| 3. |
_________ balances the pressure drops in fuel, oxidizer and pressurizing gas flow systems. |
| A. | Performance balance program |
| B. | Engine balance program |
| C. | Optimization program |
| D. | Fuel balance program |
| Answer» C. Optimization program | |
| 4. |
Which of the following are key parameters of interest for the vehicle designer? |
| A. | Both Inert mass and center of gravity |
| B. | Inert mass, but not center of gravity |
| C. | Center of gravity, but not inert mass |
| D. | Neither center of gravity nor inert mass |
| Answer» B. Inert mass, but not center of gravity | |
| 5. |
Key engine selection decisions are validated later in ___________ process by __________ |
| A. | deployment; testing new components and engines |
| B. | development; testing new components and engines |
| C. | preliminary stage; proposing new components and engines based on existing knowledge |
| D. | mission analysis; proposing new components and engines based on existing knowledge |
| Answer» C. preliminary stage; proposing new components and engines based on existing knowledge | |
| 6. |
__________ generally do not take technical decisions on behalf of the rocket engine design. |
| A. | Manufacturing experts |
| B. | Field service experts |
| C. | Stress analysis experts |
| D. | Consultancy experts |
| Answer» E. | |
| 7. |
Which of the following is not a recommended source for arriving at a tentative decision about the engine to be made? |
| A. | Mission requirements |
| B. | Customer preferences |
| C. | Past experiences |
| D. | Full-fledged simulations |
| Answer» E. | |
| 8. |
Which of the following primarily involves obtaining data from prior similar engines? |
| A. | Preliminary engine performance estimates |
| B. | Optimization studies |
| C. | Testing of full scale models |
| D. | Small scale modeling |
| Answer» B. Optimization studies | |
| 9. |
Which of the following is not optimized in the optimization studies? |
| A. | Mission duration |
| B. | Chamber pressure |
| C. | Nozzle area ratio |
| D. | Thrust |
| Answer» B. Chamber pressure | |
| 10. |
Which of the following studies usually result in a small improvement in vehicle performance? |
| A. | Optimization studies |
| B. | Mission analysis |
| C. | Trajectory design |
| D. | Launch site selection |
| Answer» B. Mission analysis | |