MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Avionics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The angular error is the angular difference between computed LOS and the physical star sensor LOS. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
The inertial LOS to any star is precisely given from _______ |
| A. | Star tracker |
| B. | Star catalog |
| C. | Air data computer |
| D. | Celestial fix |
| Answer» C. Air data computer | |
| 3. |
THE_ANGULAR_ERROR_IS_THE_ANGULAR_DIFFERENCE_BETWEEN_COMPUTED_LOS_AND_THE_PHYSICAL_STAR_SENSOR_LOS.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
The inertial LOS to any star is precisely given from ______? |
| A. | Star tracker |
| B. | Star catalog |
| C. | Air data computer |
| D. | Celestial fix |
| Answer» C. Air data computer | |
| 5. |
The observability problems are greatly intensified if the telescope is rigidly mounted to the IMU. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Which of the following is required to integrate stellar navigation and inertial navigation to get the best estimate navigation solution? |
| A. | Kalman filter |
| B. | Star fix |
| C. | Celestial fix |
| D. | Multisensor processing |
| Answer» B. Star fix | |
| 7. |
The sensors that maintain a centered star image for celestial navigation is called as _________ |
| A. | Star fixer |
| B. | Celestial fixer |
| C. | Star tracker |
| D. | Star searcher |
| Answer» D. Star searcher | |
| 8. |
Why is the inertial navigation system combined with celestial navigation system? |
| A. | Correction of drift error |
| B. | Deriving true north |
| C. | Deriving magnetic north |
| D. | Correction for weather effects |
| Answer» B. Deriving true north | |
| 9. |
What is it called when the position is determined by angles between a star and an accurate time reference? |
| A. | Position fix |
| B. | Celestial fix |
| C. | Sun fix |
| D. | Horizontal fix |
| Answer» C. Sun fix | |
| 10. |
Which of the following can be used to estimate the latitude in the northern hemisphere using the horizon as a reference? |
| A. | North pole |
| B. | Magnetic north |
| C. | Polaris |
| D. | Orion’s belt |
| Answer» D. Orion‚Äö√Ñ√∂‚àö√ë‚àö¬•s belt | |
| 11. |
Which of the following are false with respect to stellar navigation? |
| A. | Can be used in daylight and at night |
| B. | Position and altitude can be measured |
| C. | Non-radiating |
| D. | Cannot be jammed |
| Answer» C. Non-radiating | |