MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Aircraft Maintenance knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The Y channels interrogation pulse pairs are spaced by __________ |
| A. | 36 milliseconds |
| B. | 36 seconds |
| C. | 36 microseconds |
| D. | 36 nanoseconds |
| Answer» D. 36 nanoseconds | |
| 2. |
X channels have both interrogation and reply pulse pairs spaced by 12 microseconds. |
| A. | False |
| B. | True |
| Answer» C. | |
| 3. |
How many frequencies are defined for DME interrogations and replies? |
| A. | 25 |
| B. | 2520 |
| C. | 252 |
| D. | 22 |
| Answer» D. 22 | |
| 4. |
What is the range of high altitude transponders? |
| A. | 1300 nautical miles |
| B. | 13 nautical miles |
| C. | 100 nautical miles |
| D. | 130 nautical miles |
| Answer» E. | |
| 5. |
Terminal transponders generally work to a minimum height above ground of ________ |
| A. | 12,000 feet |
| B. | 1200 feet |
| C. | 120 feet |
| D. | 12 feet |
| Answer» B. 1200 feet | |
| 6. |
DME facilities use a ___________ Morse code in order to identify themselves. |
| A. | 1,350 MHz |
| B. | 1,350 Hz |
| C. | 150 Hz |
| D. | 150 MHz |
| Answer» C. 150 Hz | |
| 7. |
How much is the difference between interrogation and reply frequencies? |
| A. | 63 MHz |
| B. | 63 Hz |
| C. | 60 MHz |
| D. | 63 Hz |
| Answer» B. 63 Hz | |
| 8. |
Which of the following is the range of frequency for the transmitting channel of DME transponders? |
| A. | 962 mHz to 1213 mHz |
| B. | 962 Hz to 1213 Hz |
| C. | 962 KHz to 1213 KHz |
| D. | 962 MHz to 1213 MHz |
| Answer» E. | |
| 9. |
Which of the following frequencies are used by an airplane s DME interrogator? |
| A. | 1025 mHz to 1150 mHz |
| B. | 1025 Hz to 1150 Hz |
| C. | 1025 MHz to 1150 MHz |
| D. | 1025 KHz to 1150 KHz |
| Answer» D. 1025 KHz to 1150 KHz | |
| 10. |
The typical DME ground based responder beacon has a limit of ________ interrogations per second. |
| A. | 2700 |
| B. | 270 |
| C. | 27 |
| D. | 27000 |
| Answer» B. 270 | |
| 11. |
The spacing of all channels is 1 Hz. |
| A. | False |
| B. | True |
| Answer» B. True | |
| 12. |
The physical distance between the aircraft antenna and the DME transponder antenna is referred to as _________ |
| A. | Slant range |
| B. | Slant height |
| C. | Slant angle |
| D. | Slant length |
| Answer» B. Slant height | |