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Questions for DME

Answer the following questions

1. Distance Measuring Equipment (DME) uses radar principles to measure distance?
2. The selection of the DME frequency for a ILS/DME installation is as follows?
3. The effect of masking the DME antenna of the aircraft from the ground installation is that interruption of reception of DME signals results in?
4. An aircraft is flying directly overhead a DME station at FL380. The indicated range will be approximately?
5. An aircraft DME receiver does not lock on to its own transmissions reflected from the ground because
6. The ident of a DME in case of collocation with a VOR is as follows?
7. The aircraft DME receiver is able to accept replies to its own transmissions and reject replies to other aircraft interrogators because?
8. What is the slant range error for an aircraft at 9000 feet absolute above a DME located at elevation 2000 feet, when the slant range is 12 nm?
9. Distance Measuring Equipment (DME) operates in the
10. A fix obtained by rho-rho navigation is based on information from two?
11. How can a DME interrogator distipulsenguish between its own reply pulse-pairs and the reply pulse-pairs of other aircraft in the area, using the same DME station?
12. A DME station is located 7000 feet above MSL. An aircraft flying at FL 430 , 20 NM away from the DME station, will have DME reading?
13. A DME that has difficulty obtaining a "lock-on"? (NOTE: PRF= pulse recurrence frequency, PPS= pulses per second)
14. Which statement about the interrogation by DME interrogator is correct?
15. Aircraft position 34 degrees 15 minutes N 098 degrees E, magnetic variation 28 degrees W, FL280. PTV, VOR/DME position 36 degrees 12' N 098 degrees E, magnetic variation13 degrees E, In order to read the most accurate ground speed given by the DME receiver from his present position, the pilot must fly on which PTC radial?
16. What are the DME frequencies?
17. If a DME beacon becomes saturated by interrogations it?
18. A DME is located at MSL. An aircraft passing vertically above the station at flight level 360 will obtain a DME range of approximately?
19. The DME ground transponder has a PRF of?
20. An aircraft at FL 300, with a groundspeed of 300 kts, is about to pass overhead a DME station at MSL, The dame receiver is capable of determining ground speed. One minute before the overhead, DME speed and distance indication respectively are?
21. DME pulses are transmitted as pulse pairs. This is done?
22. ICAO specifications are that range errors indicated by Distance Measuring Equipment (DME) should not exceed
23. The time taken for the transmission of an interrogation pulse by a distance Measuring Equipment (DME) to travel to the ground transponder and return to the airborne receiver was 2000 microsecond. The slant range from the ground transponder was?
24. A typical frequency employed in Distance Measuring Equipment (DME) is
25. The design requirements for DME stipulate that, at a range of 100 nm the maximum systemic error should not exceed?
26. Consider the following statement on horizontal/slant distance when using DME?
27. When VOR and DME station are associated?
28. A DME station is located 1000 feet above MSL. An aircraft flying at FL 310,20 NM away from the DME station, will have a DME reading of?
29. By using a random PRG the airborne DME can?
30. An enroute DME and VOR that have the same morse code identification are associated and are?
31. DME is a radar type of facility and its maximum range is limited by?
32. An aircraft flying at FL360 is 10 nm plan range from a DM. The DME reading in the aircraft will be?
33. Of what use, if any, is a military TACAN station to civil aviation?
34. How many aircraft will DME accommodate before reaching saturation?
35. The maximum number of aeroplanes that can be responded to by the DME ground facility is?
36. Groundspeed measurement using DME equipment is most accurate when flying?
37. When in tracking mode, the DME airborne interrogator operates at? Note: PRR = Pulse Recurrence Rate
38. When an aircraft at FL360 it is directly above a DME, at mean sea level, the range display will be?
39. In the which situation will speed indications on an airborne Distance Measuring Equipment (DME) most closely represent the groundspeed of an aircraft flying at FL400?
40. What happens when a DME in the search mode fails to achieve lock-on?
41. The most accurate measurement if ground speed by DME for an aircraft at 30000 feet will be when the aircraft is?
42. During a flight at FL260, a pilot does not receive any DME distance indication from a DME station located approximately 220 nm away. The reason for this is that?
43. The DME counters are rotating continuously. This indicates?
44. The DME line of Position is a circle with radius?
45. Which of the following will give the most accurate calculation of aircraft ground speed?
46. During a flight at FL 210, a pilot does not receive any DME distance indication from a DME station located approximately 220 NM away. The reason for this is that the?
47. Regarding the DME system, which one of the following statement is true?
48. An aircraft at FL410 is passing overhead a DME station at mean sea level. The DME indication will be approximately?
49. Ground DME responders respond at a frequency?
50. A VOR and DME are frequency paired. The DME identification ends with Z. This denotes that?