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 of the following is not a characteristic of staged combustion cycle compared to other cycles? |
| A. | High fuel efficiency |
| B. | High engine specific impulse |
| C. | Engineering simplicity |
| D. | Use of preburners |
| Answer» D. Use of preburners | |
| 2. |
Which of the following engines uses a staged combustion cycle? |
| A. | Vinci |
| B. | Pratt & Whitney RL10 |
| C. | Ariane 6 |
| D. | SpaceX Raptor |
| Answer» E. | |
| 3. |
Which of the following cycles is used in RL10 hydrogen/oxygen rocket engine? |
| A. | Expander cycle |
| B. | Gas generator cycle |
| C. | Staged-combustion cycle |
| D. | Combustion tap-off cycle |
| Answer» B. Gas generator cycle | |
| 4. |
In gas generator cycles, the turbine inlet gas is obtained from a portion of exhaust gases about to pass through the rocket nozzle. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Open cycles perform better than closed cycle in a turbopump feed type rocket engine. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Closed cycles in turbopump feed systems are also called as ____________ |
| A. | open cycle |
| B. | engine cycle |
| C. | topping cycle |
| D. | bottoming cycle |
| Answer» D. bottoming cycle | |
| 7. |
In turbopump feed systems, the turbines derive their power from _______________ |
| A. | expansion of hot gases |
| B. | expansion of cold gases |
| C. | compression of hot gases |
| D. | compression of cold gases |
| Answer» B. expansion of cold gases | |
| 8. |
In turbopump feed systems, the pressurization of the propellants is done by ____________ and they are driven by ____________ |
| A. | turbines; pumps |
| B. | pumps; turbines |
| C. | pumps; pumps |
| D. | turbines; turbines |
| Answer» C. pumps; pumps | |