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. |
How much time does it generally take to start a small thruster with a pressurized feed system? |
| A. | 3-15 ms |
| B. | 1-5 s |
| C. | 3-15 s |
| D. | 1-5 ms |
| Answer» B. 1-5 s | |
| 2. |
Which of the following pressurization systems take more time to start for similar engines? |
| A. | Turbopump system |
| B. | Gas pressure feed system |
| C. | Both requires the same time |
| D. | Start time is independent of such systems |
| Answer» B. Gas pressure feed system | |
| 3. |
Start delay includes the time taken to _________ |
| A. | close valves |
| B. | terminate combustion |
| C. | lower the flow |
| D. | raise chamber pressure |
| Answer» E. | |
| 4. |
How is the stable operation of liquid propellant flows achieved? |
| A. | By means of some kind of a pressure feed system |
| B. | By utilizing the gravitational force on the liquids to the rocket s advantage |
| C. | By using suitable pipes and valves which can minimize vibrations |
| D. | Liquid flow system in general are inherently stable |
| Answer» E. | |
| 5. |
_________ permits the simulation of operation of critical control components without the actual hot operation of the rocket unit. |
| A. | Checkout controls |
| B. | Safety controls |
| C. | Thrust vectoring control |
| D. | Operating control |
| Answer» B. Safety controls | |
| 6. |
In which of the following cases does the electrical valves automatically return to their normal positions? |
| A. | Nonhazardous shutdown |
| B. | Hazardous shutdown |
| C. | Cold start |
| D. | Warm start |
| Answer» B. Hazardous shutdown | |
| 7. |
_________ are used to protect personnel and equipment in case of malfunction. |
| A. | Ejection seats |
| B. | Parachute system |
| C. | Rocket casing |
| D. | Safety controls |
| Answer» E. | |
| 8. |
Valves, regulators and pressure switches come into picture while considering _________ |
| A. | solid rocket engines |
| B. | liquid rocket engines |
| C. | both solid and liquid rocket engines |
| D. | neither solid nor liquid rocket engines |
| Answer» C. both solid and liquid rocket engines | |
| 9. |
Single-shot devices are _________ |
| A. | devices with a single-engine |
| B. | devices which are deployed only once |
| C. | devices which can fire a single missile |
| D. | colloquial term for missiles |
| Answer» C. devices which can fire a single missile | |
| 10. |
The complexity of the control elements of the engine systems depend mostly on _________ |
| A. | capital |
| B. | launching site |
| C. | mission |
| D. | trajectory |
| Answer» D. trajectory | |