Nav tru or fals

An informative illustration showcasing various RADAR systems used in maritime navigation, including ships, radar screens, and a nautical background.

Navigating RADAR Systems Quiz

Test your knowledge of RADAR technology and its applications with our comprehensive quiz! Designed for students, professionals, and enthusiasts alike, this quiz covers essential aspects of RADAR systems and ARPA technology.

54 challenging questions
True or False format for quick answering
Enhance your understanding of maritime navigation

54 Questions14 MinutesCreated by AnalyzingWave274

1. The radio signals emitted by RADAR system do NOT work beyond the ionosphere

True

False

3. The duplexer protected the receiver from the high pulses of the transmitter.

True

False

5. An ARPA system in the hands of unqualified personnel is Not only dangerous but, can indirectly be the main reason for an accident.

True

False

6. The EBL measure the distance from your ship to the target object.

True

False

7. The X-band RADAR should detect a SOLAS ships more than 5,000 Gross Tons by 12 nautical miles minimum

True

False

8. The receiver amplifies the incoming echoes

True

False

9. The radio signals work best when the objects is further away from the receiver and NOT closer.

True

False

11. There is NO delays in the display of processed ARPA information, particularly on acquisition, particularly on acquisition and re-acquisition or when target maneuvers.

True

False

12. The VRM provides an accurate measurement of bearing to target

True

False

14. RADAR signals cannot be used beyond the stratosphere

True

False

15. ARPA converts raw radar echo to an analog signal which can be stored and used for calculation

True

False

16. A properly adjusted brilliance control is when you’ve seen on the display the trace is as bright as possible.

True

False

17. ARPA converts digital signal to a raw radar echo which can then be display.

True

False

18. A long pulse means better resolution in range.

True

False

21. Most ARPA system are less sensitive in auto-acquisition mode than in manual acquisition mode

True

False

22. The target detection performance of the equipment should be impaired when own ship is rolling or pitching up to +/- 10.

True

False

23. The S-band RADAR is less affected by target swop.

True

False

24. RADAR systems provide data regarding the type of the target being resolved.

True

False

25. RADAR system is prone to external interference by other medium.

True

False

26. An optical horizon is the point of the earth surface which is tangential to the propagated radar wave.

True

False

27. The bearing accuracy is generally better than the range accuracy of a radar.

True

False

28. A magnetron is generally installed in the scanner unit.

True

False

29. The duplexer ensure that all circuits connected to the radar system operate in a definite time relationship with each other.

True

False

A bistatic RADAR is a radar system that compares the received signal from a single radar pulse against itself with an aim of comparing the signal.

True

False

33. A RADAR system should be capable of displaying two-point targets on the same bearing separated by 20 meters in range, as two distant objects as per performance standards of RADAR.

True

False

36. A radar sweep is one complete 360-degree rotation of the antenna.

True

False

37. Magnetron converts the input into high frequency oscillation.

True

False

38. The x-band RADAR is less affected by rain and fog

True

False

41. Attenuation causes a decrease in echo strength.

True

False

43. The S-band RADAR should detect a typical navigation buoy by 4.6 nautical miles minimum.

True

False

46. A 3 GHz RADAR can determine and display the range and bearing of radar transponder

True

False

47. The equipment should switch automatically to the unstabilized head-up mode within two minutes after the azimuth stabilization has become ineffective.

True

False

48. The antenna transfers the transmitter energy to signals in space with the required distribution and efficiency.

True

False

49. RADAR system DO NOT have the capability of calculating the velocity of an object in motion

True

False

51. The RADAR should provide the means to enhance the visibility of targets in advance clutter conditions at close range.

True

False

52. A 10 cm RADAR is call S-Band with a frequency of 9000 MHz

True

False

53. The side lobe is the lobe containing the higher power

True

False

54. The function of the waveguide is to generate RF pulses.

True

False

55. The ARPA should be able to display on request with a relevant symbol at least three equally time-spaced past positions of any target being tracked.

True

False

56. Wavelength indicate the number of crest, which pass a fixed point per unit time

True

False

59. A 10 cm RADAR has a good performance on low altitude targets like buoy.

True

False

61. A short pulse means less resolution in range.

True

False

62. The past position of targets being tracked is used to check the validity of the ARPA’s tracking

True

False

63. When using short pulse, you will get weaker pulse, less radar range but better resolution in range.

True

False

66. The tunning control of the radar system will amplify the power output.

True

False

68. The fast time Control reduces weak echoes out to a limited distance from a ship.

True

False

69. The data provided by RADAR system is usually complete

True

False

70. A RACON emits a characteristics signal when triggered by the ship’s RADAR.

True

False

71. By increasing the peak power of RADAR, the minimum radar range can be provide

True

False

72. The RADAR system provide date regarding the type of the target being resolved.

True

False

76. The cursor position should gave a continuous read out to provide the range and bearing, measured from the consistent reference point.

True

False

78. Misinterpretation of display symbols may NOT cause severe problems.

True

False

81. The data collected by RADAR system is enough to tell whether the object was in motion or it was stationary

True

False

82. X-band radar has a wavelength of 10 cm.

True

False

Nav tru or fals

Navigating RADAR Systems Quiz

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