MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Avionics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is not a common mode failure? |
| A. | Lightning strike |
| B. | Fire/explosion/battle damage |
| C. | Bird strike |
| D. | Incorrect maintenance |
| Answer» D. Incorrect maintenance | |
| 2. |
How is failure detected in a quadruplex system? |
| A. | Cross comparing signals and voting |
| B. | Monitoring signals |
| C. | Adding signals |
| D. | Subtracting signals |
| Answer» B. Monitoring signals | |
| 3. |
Which of the following uses a monitoring system to check the function of channels? |
| A. | Matching triplex |
| B. | Monitored triplex |
| C. | Master triplex |
| D. | Major triplex |
| Answer» C. Master triplex | |
| 4. |
In a quadruplex system, when does a passive fail situation occur? |
| A. | When all the channels fail |
| B. | When 3 channels fail and none is disconnected |
| C. | When 2 channels fail none is disconnected |
| D. | When 1 channel fail none is disconnected |
| Answer» D. When 1 channel fail none is disconnected | |
| 5. |
What is called a quadruplex system? |
| A. | System with 4 channels |
| B. | System with 8 channels |
| C. | System which does not fail |
| D. | System with 4 times the speed |
| Answer» B. System with 8 channels | |
| 6. |
What is MTBF? |
| A. | Mean Time Before Fracture |
| B. | Minimum Time Between Failures |
| C. | Maximum Time Between Failures |
| D. | Mean Time Between Failures |
| Answer» E. | |
| 7. |
What is the failure probability figure of a commercial aircraft? |
| A. | 1 10<sup>-4</sup>/hr |
| B. | 1 10<sup>-6</sup>/hr |
| C. | 1 10<sup>-11</sup>/hr |
| D. | 1 10<sup>-20</sup>/hr |
| Answer» C. 1 10<sup>-11</sup>/hr | |