MCQOPTIONS
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MCQOPTIONS
This section includes 13 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. |
An aircraft directly above the DME station at 1 nautical mile altitude would show ___________ on the DME readout. |
| A. | 100 nautical mile |
| B. | 10 nautical mile |
| C. | 0 nautical mile |
| D. | 1.0 nautical mile |
| Answer» E. | |
| 2. |
How much is the accuracy of DME ground stations? |
| A. | 1.85 m |
| B. | 185 m |
| C. | 18.5 m |
| D. | 0.185 m |
| Answer» C. 18.5 m | |
| 3. |
How much time does a radio signal take, to travel 1 nautical mile to the target and back? |
| A. | 12.36 nanoseconds |
| B. | 12.36 seconds |
| C. | 12.36 microseconds |
| D. | 12.36 milliseconds |
| Answer» D. 12.36 milliseconds | |
| 4. |
The DME system comprises a UHF interrogator in the aircraft. |
| A. | False |
| B. | True |
| Answer» C. | |
| 5. |
How much is the typical time delay after which the aircraft interrogates with the ground transponder? |
| A. | 50 microseconds |
| B. | 50 seconds |
| C. | 50 minutes |
| D. | 50 milliseconds |
| Answer» B. 50 seconds | |
| 6. |
What is the typical peak pulse output of a DME ground transponder for en-route or terminal navigation? |
| A. | 100 kW |
| B. | 10 kW |
| C. | 1 kW |
| D. | 1000 kW |
| Answer» D. 1000 kW | |
| 7. |
DME is functionally identical to the distance measuring component of ___________ |
| A. | TACAN |
| B. | VOR |
| C. | ILS |
| D. | RADAR |
| Answer» B. VOR | |
| 8. |
Where was the DME developed? |
| A. | Australia |
| B. | Germany |
| C. | India |
| D. | Canada |
| Answer» B. Germany | |
| 9. |
ICAO characterizes DME transmissions as ___________ |
| A. | High frequency |
| B. | Ultra high frequency |
| C. | Low frequency |
| D. | Medium frequency |
| Answer» C. Low frequency | |
| 10. |
Which of the following is not an agency that sets standards for DME systems? |
| A. | RTCA |
| B. | EASA |
| C. | ICAO |
| D. | Rolls-Royce |
| Answer» E. | |
| 11. |
Which of the following specifies the carrier frequency and the spacing between the pulses? |
| A. | Pitch assignment |
| B. | Amplitude assignment |
| C. | Channel assignment |
| D. | Frequency assignment |
| Answer» D. Frequency assignment | |
| 12. |
The propagation delay of DME radio signals in the frequency band is timed between ___________ |
| A. | 960 Hz and 1215 Hz |
| B. | 960 MHz and 1215 MHz |
| C. | 96 MHz and 121 MHz |
| D. | 96 Hz and 121 Hz |
| Answer» C. 96 MHz and 121 MHz | |
| 13. |
What is the full form of DME? |
| A. | Distance measuring equipment |
| B. | Distance maintaining equipment |
| C. | Data measuring equipment |
| D. | Data maintaining equipment |
| Answer» B. Distance maintaining equipment | |