MCQOPTIONS
Saved Bookmarks
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. |
UDMH stands for _________ |
| A. | Unsymmetrical Dimethyl Hydrazine |
| B. | Unsaturated Dimethyl Hydrazine |
| C. | Unsymmetrical Diethyl Hydrazine |
| D. | Unsaturated Diethyl Hydrazine |
| Answer» B. Unsaturated Dimethyl Hydrazine | |
| 2. |
Standard commercial hydrazine has less than ________% aniline. |
| A. | 0.5 |
| B. | 1.0 |
| C. | 0.8 |
| D. | 0.6 |
| Answer» C. 0.8 | |
| 3. |
Hydroxylammonium nitrate has a specific impulse of ___________ |
| A. | 300-365s |
| B. | 10-65s |
| C. | 200-265s |
| D. | 100-165s |
| Answer» E. | |
| 4. |
Ammonia decomposition into nitrogen and hydrogen gases is an _________ reaction. |
| A. | Endothermic |
| B. | Exothermic |
| C. | Endergonic |
| D. | Exergonic |
| Answer» B. Exothermic | |
| 5. |
The catalytic decomposition of hydrazine is an __________ reaction. |
| A. | endothermic |
| B. | exothermic |
| C. | endergonic |
| D. | exergonic |
| Answer» C. endergonic | |
| 6. |
In catalytic decomposition of hydrazine, it decomposes into ________ and _______ |
| A. | ammonia; nitrogen |
| B. | hydrogen; nitrogen |
| C. | ammonium; nitrogen |
| D. | ammonia; hydrogen |
| Answer» B. hydrogen; nitrogen | |
| 7. |
Iron, nickel and cobalt can decompose hydrazine at ________ temperature. |
| A. | 273 K |
| B. | 289 K |
| C. | 400 K |
| D. | 450 K |
| Answer» E. | |
| 8. |
___________ is an excellent catalyst for hydrazine at room temperature. |
| A. | Zeolite |
| B. | Iridium |
| C. | Antimony trioxide |
| D. | Cobalt |
| Answer» C. Antimony trioxide | |
| 9. |
___________ is not a method of monopropellant ignition. |
| A. | Flame heat |
| B. | Electrical |
| C. | Catalytic material |
| D. | Pulverization |
| Answer» E. | |
| 10. |
Which of the following is a monopropellant? |
| A. | H<sub>2</sub> |
| B. | Diluted H<sub>2</sub>O<sub>2</sub> |
| C. | Hydrazine |
| D. | Monomethyl hydrazine |
| Answer» D. Monomethyl hydrazine | |