MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
Precise control of engine performance parameters via the use of an automatic feedback system employing a digital computer for control purposes is _________ compared to static calibration of the engine design. |
| A. | simpler |
| B. | complex |
| C. | equally difficult |
| D. | unachievable |
| Answer» C. equally difficult | |
| 2. |
The gas pressure in the propellant tank is _________ |
| A. | unregulated pressure |
| B. | sea level pressure |
| C. | ambient pressure |
| D. | regulated pressure |
| Answer» E. | |
| 3. |
In a pressurized feed system, the pressurizing gas is supplied from its high-pressure tank through ____ for the pressurization of both fuel and oxidizer. |
| A. | regulator |
| B. | passage valves |
| C. | expansion joints |
| D. | combustion chamber |
| Answer» B. passage valves | |
| 4. |
The calibration procedure for turbopump system is ___________ complex compared to gas pressure fed systems. |
| A. | equally |
| B. | less |
| C. | more |
| D. | unrelated |
| Answer» D. unrelated | |
| 5. |
The operating mixture ratio is usually ________ |
| A. | fuel-rich |
| B. | fuel-lean |
| C. | oxidizer-rich |
| D. | doesn t matter |
| Answer» B. fuel-lean | |
| 6. |
Under ideal conditions, the ratio of the rated flows has to be _________ desired mixture ratio. |
| A. | Equal to |
| B. | less than |
| C. | more than |
| D. | unrelated to |
| Answer» B. less than | |
| 7. |
Which of the following forces on a rocket engine is more significant than the rest of them? |
| A. | Actuator forces |
| B. | Maneuver forces |
| C. | Vibration forces |
| D. | Thrust load |
| Answer» E. | |
| 8. |
The process of balancing the pressure available to the engine against the pressure drop plus the chamber pressure is called as __________ |
| A. | chamber balance |
| B. | engine balance |
| C. | pressure balance |
| D. | overall balance |
| Answer» D. overall balance | |
| 9. |
The calibration procedure for the turbopump system is ________ complex compared to gas pressure fed systems. |
| A. | equally |
| B. | less |
| C. | more |
| D. | unrelated |
| Answer» D. unrelated | |