《11規(guī)則》題庫第二章航海儀器測試題

1、11規(guī)則題庫第二章航海儀器測試題基本信息：矩陣文本題 *姓名：_學(xué)號:_1. _ is not required by bridge-to-bridge communications. 單選題 *VHFSARTNAVTEXLES(正確答案)2. As for Racon, which one is incorrect in the following? 單選題 *Racon is a radar transponderRacon is often installed on major waypointsWhen activated by a radar signal, the Racon se

2、nds it back with an identifierRacon can be used to take place of radar(正確答案)3. PAN-PAN repeated three times over the radiotelephone indicates which type of message will follow? 單選題 *DistressSafetyAll clearUrgency(正確答案)4. Automatic identification systems (AIS) are expected to broadcast all of the fol

3、lowing information except _. 單選題 *port of origin(正確答案)name of vesselcourse and speed over grounddraft of vessel5. What does a navigator who uses an ECDIS require? 單選題 *Good navigational knowledge and a professional job attitude(正確答案)Good computer knowledgeGood system knowledgeNothing special6. The t

4、errestrial system of GMDSS consists of _. 單選題 *radio-telephony, DSC, Direct Printing Telegraphy, Navtex and SART(正確答案)INMARSAT, DSC, Direct Printing Telegraphy, Navtex and SARTradio-telephony, DSC, EPIRB, Navtex and SARTStatus Recording system, DSC, Direct Printing Telegraphy, Navtex and SART7. The

5、_ provides the link between the Space Segment and the land-based National/International fixed communications networks. 單選題 *VHFSARTNAVTEXLES(正確答案)8. If the electronic chart is part of an ECDIS, it must display the minimum data required by IMO/IHO, to include all the following EXCEPT _. 單選題 *hydrogra

6、phyaids to navigationtidal current(正確答案)regulatory boundaries9. When a call is complete，and subsequently during an exchange of messages，a station invites a reply by saying _. 單選題 *“Over”(正確答案)“Out”“OK”“Roger”10. What is the correct speed input to an ARPA used for traffic surveillance? 單選題 *Ground sp

7、eedSpeed through water(正確答案)Speed from GPSSpeed from Doppler11. All echo-sounders can measure the _. 單選題 *actual depth of wateractual depth of water below keel(正確答案)average depth from waterline to hard bottomaverage depth of water to soft bottom12. A satellite navigation system with global coverage

8、may be termed as global navigation satellite system or _. 單選題 *GNSS(正確答案)EPIRBSSASECDIS13. The VDR system is designed to operate_ once it is set up correctly. There is no user interaction . 單選題 *automatically(正確答案)accuratelypromptlyConspicuously14. What is the MOST important thing you should do befo

9、re transmitting on a marine radio? 單選題 *Ask for permissionRecord the time in your radio logPress the push to talk button three timeMonitor the channel to ensure that it is clear(正確答案)15. While underway, a vessel over 100,000 gross tons with an automatic identification system (AIS) is expected to bro

10、adcast all of the following information every 1 to 10 seconds EXCEPT _. 單選題 *rate of turnname of the vessel(正確答案)navigational statusships heading16. The GPS system was designed for _ satellites. 單選題 *3121824(正確答案)17. What is important to check when transferring a position from GPS to a chart? 單選題 *R

11、eading the position correctlyPlotting the position correctlyMake sure that the chart and the GPS use same datum(正確答案)Make sure the map is updated18. You are using a radar in which your own ship is shown at the center, and the heading flash always points to 0 degree, If bearings are measured in relat

12、ion to the flash, what type of bearings are produced? _. 單選題 *Relative(正確答案)TrueCompassMagnetic19. The compass error of a magnetic compass that has no deviation is _. 單選題 *zeroequal to variation(正確答案)eliminated by adjusting the compassconstant at any geographical location20. A radar range to a small

13、，charted object such as a light will provide a line of position in the form of _. 單選題 *straight linearc(正確答案)parabolahyperbola21. You have another ship overtaking you close aboard to starboard. You have 3 radar targets bearing 090，0.5 mile, 1 mile，and 1.5 miles. In this case，the unwanted echoes are

14、called _. 單選題 *Multiple echoes(正確答案)SpokingIndirect echoesSide-lobe echoes22. What is the main purpose of DGPS? 單選題 *Improve positioning accuracy(正確答案)Decrease positioning accuracyReduce operational costI dont know23. When it is accepted to remain on the frequency indicated，you should say _. 單選題 *st

15、anding by on VHF frequency(正確答案)coming to VHF frequencyVHF frequency is the best place for you to stay byremaining in frequency and do not change24. The satellite systems of GMDSS comprise _. 單選題 *NAVTEX, COSPAS/SARSAT, EPIRBs and Status Recording-systemInmarsat, COSPAS/SARSAT, EPIRBs and Status Rec

16、ording-system(正確答案)NAVTEX, Inmarsat, EPIRBs and SARTInmarsat, Direct Printing Telegraphy, and DSC25. When another calling channel/frequency is available，do not use _ or other safety frequencies to make a transmission. 單選題 *2182 kHz or VHF Channel 16(正確答案)VHF Channel 76FAXCABLES26. How to reduce beam

17、 width distortion? 單選題 *Adjust centre positionAdjust brillianceAdjust heading markerReduce gain(正確答案)27. _ is on the panel of DF. 單選題 *ZERO CLEARING(正確答案)ANTI-CLUTTER-RAINDIMMERCURSOR28. In radiotelephony，the spoken word for distress is _. 單選題 *SecuriteSafetyEmergencyMAYDAY(正確答案)29. Which one of the

18、 followings is incorrect about magnetic compass? 單選題 *The magnetic compass is compulsory on my vesselThe magnetic compass is prone to errorThe magnetic compass is always placed inside steel constructions(正確答案)The magnetic compass needs to be calibrated to compensate for local magnetic distortion30.

19、Radar reflectors are required for _. 單選題 *all fishing vessels over 39 feet in lengthsail-propelled fishing vesselsall fishing vessels of less than 200 GTwooden hull fishing vessels with a poor radar echo(正確答案)31. If there were suddenly an immediate danger for both the vessel and its crew, would you

20、send a MAYDAY on_ 單選題 *Ch06 with dual watchCh06 with 25 watts outputCh16 with 1 watt outputCh16 with 25 watts output(正確答案)32. The line connecting the Loran-C master station with a secondary station is called the _. 單選題 *focus linebase line(正確答案)side linecenter line33. If a GMDSS radio operator initi

21、ates a DSC distress transmission but does not insert a message，what happens? 單選題 *The transmission is aborted and an alarm sounds to indicate this data must be provided by the operatorThe transmission is not initiated and “ERROR” is indicated on the display readoutThe transmission will be made with

22、“default” information provided automatically(正確答案)The receiving station will poll the DSC unit of the vessel in distress to download the necessary information34. Ship to ship communications during SAR should be executed by _. 單選題 *VHFMFSatelliteVHF and MF(正確答案)35. The indicated heading should not be

23、 relied on _. 單選題 *until the gyrocompass has settled(正確答案)until the “Ready” lamp will be litwhen the alarm is generatedwhen the red “Power” lamp RCU illuminates36. When your vessel is proceeding to the area of traffic density，_ is used to determine the exact ranges of other ships or objects in the v

24、icinity. 單選題 *Radar(正確答案)GPSDFSatellite Navigator37. Magnetic heading differs from compass heading by _. 單選題 *compass errortrue headingvariationdeviation(正確答案)38. What is the primary equipment for receiving MSI _. 單選題 *SARTEPIRBNAVTEX(正確答案)INMARSAT-B39. If the gyrocompass error is east，what describe

25、s the error and the correction to be made to gyrocompass headings to obtain true headings _. 單選題 *The readings are too low（small numerically）and the amount of the error must be added to the compass to obtain true(正確答案)The readings are too low and the amount of the error must be subtracted from the c

26、ompass to obtain trueThe readings are too high（large numerically）and the amount of the error must be added to the compass to obtain trueThe readings are too high and the amount of the error must be subtracted from the compass to obtain true40. If the magnetic heading is greater than the compass head

27、ing，the deviation is _. 單選題 *east(正確答案)westnorthsouth41. Deviation which is maximum on intercardinal compass headings may be removed by the _. 單選題 *Flinders barTransverse magnetsFore-and-aft magnetsSoft iron spheres on the sides of the compass(正確答案)42. The accuracy of the DGPS mainly depends on_. 單選

28、題 *the price of the equipmentthe relative angle between the satellitethe position of the observerthe age of the calculated correction(正確答案)43. Which statement concerning locating signals in the GMDSS is FALSE? 單選題 *Locating signals are transmitted by survival craft VHF transceivers.(正確答案)Locating si

29、gnals are transmitted by SARTS.Locating signals are intended to facilitate the finding of a distressed vessel or its survivorsLocating signals are not transmitted by auto alarm generators.44. Coral atolls, or a chain of islands at right angles to the radar beam, may show as a long line rather as an

30、individual targets due to _. 單選題 *the effects of beam width(正確答案)limitations on range resolutionthe pulse length of the radarthe multiple-target resolution factor45. Quadrantal error in a gyrocompass has its greatest effect _. 單選題 *in high latitudesnear the equatoron north or south headingson interc

31、ardinal headings(正確答案)46. What is important to remember when using AIS for collision avoidance? 單選題 *AIS may not give a complete picture of the traffic situation(正確答案)AIS is more accurate than ARPAAIS is not as accurate as ARPAAIS is not allowed to be used for collision avoidance47. Integrated Bridg

32、e and Navigation Systems (IBS/INS) provide excellent performance and reliable navigation under all conditions by _. 單選題 *integrating well-proven, harmonizing equipment(正確答案)integrating all equipment in the bridgean intelligent platform with ECDIS and Radarthe control center based on ECDIS48. Which s

33、tatement concerning GPS is TRUE _. 單選題 *It cannot be used in all parts of the worldThere are 12 functioning GPS satellites at presentIt may be suspended without warning(正確答案)Two position lines are used to give a 2D fix49. When hitting a solid object such as a ship or an airplane, the radar waves are

34、 reflected back _ they came. 單選題 *in the waythe wayby the waythrough the path(正確答案)50. A Doppler log in the volume reverberation mode indicates _. 單選題 *speed being made goodspeed through the water(正確答案)the set of the currentthe depth of the water51. ECDIS must be able to perform all of the following

35、 EXCEPT _. 單選題 *determine true bearing and distance between two geographical pointsdetermine magnetic compass deviation(正確答案)transform a local datum to the WGS-84 datumconvert “graphical coordinates” to “display coordinates”52. According to SOLAS the breathing air apparatus that must be onboard shal

36、l have sufficient capacity for how many minutes of operation? 單選題 *2030(正確答案)456053. Which factor has the greatest effect on the amount of gain required to obtain a fathometer reading? 單選題 *Salinity of waterTemperature of water(正確答案)Atmosphere pressureType of bottom54. YourARPAhastwoguardzones. What

37、isthepurposeoftheinnerguardzone? 單選題 *AlertthewatchofficerthatavesselisapproachingthepresetCPAlimitWarnofsmalltargetsthatareinitiallydetectedcloserthantheouterguardzone(正確答案)GuardagainsttargetlossduringcriticalmaneuveringsituationsSoundanalarmfortargetsfirstdetectedwithinthezone55. ETAPILOT REVERTIN

38、G means 單選題 *ETA pilot station has been givenETA pilot station will be given afterwards(正確答案)ETA pilot station was not givenETA pilot station is given56. _is used for providing homing signals from survival craft for detection by 9 GHz radar. 單選題 *NAVETEX receiverSearch and Rescue Transponder(正確答案)Em

39、ergency Position Indicating Radio BeaconDigital selective calling57. _ is used for safety of navigation ship-to-ship. 單選題 *Channel 6Channel 13(正確答案)Channel 16Channel 7058. Which action should you take after sending a false distress alert on VHF? 單選題 *Send a DSC cancellation message on Ch-70.Make a v

40、oice announcement to cancel the alert on Ch-16.(正確答案)Make a voice announcement to cancel the alert on Ch-13.Make a voice announcement to cancel the alert on Ch-22A.59. _ typically extends from close as 0.1 nautical miles out to 32 NM. 單選題 *EBLVRMCRTtarget tracking range(正確答案)60. When own ships posit

41、ion input to ECDIS is wrong, what is the result? 單選題 *NothingECDIS will give warningECDIS will automatically be switched offPosition, range and bearing taken on the ECDIS will be wrong(正確答案)61. The radar control used to reduce sea return at close ranges is the _. 單選題 *Gain controlSensitivity time co

42、ntrol(正確答案)Fast time constantPulse length control62. The common way to obtain your ships position is _. 單選題 *keeping a close watch and lookouttaking a radar range and bearing(正確答案)observing a radar target and listening to signalskeeping a well clear caution63. A radar display in which North is alway

43、s at the top of the screen is a（n）_. 單選題 *Unstabilized displayStabilized display(正確答案)Composition displayRelative display64. _ is a radio receiver with ability to sense direction of the incoming radio waves. 單選題 *The echo sounderThe radarThe course recorderThe direction finder(正確答案)65. The abbreviat

44、ion RYC in a marine cable generally stands for _. 單選題 *referring to your crewreference for your captainreturn to your cabinreceived your cable(正確答案)66. How long must the GMDSS radio log be retained on board _. 單選題 *At least two years after the last entry(正確答案)At least one year after the last entryAt

45、 least 90 days after the last entryAt least 30 days after the last entry67. The angular difference between the true meridian（great circle connecting the geographic poles）and the magnetic meridian（direction of the lines of magnetic flux）is called _. 單選題 *deviationvariation(正確答案)errordifference68. If

46、you receive the signal over radiotelephone of Romeo Papa Tango while using the International Code of Signals, you should _. 單選題 *report to the callerrepeat your last transmission(正確答案)continue since he received your last transmissionend the transmission69. Deviation changes with a change in _. 單選題 *

47、latitudeheading(正確答案)longitudesea conditions70. How does current and drift effect the relative motion, relative vector presentation? 單選題 *No effect(正確答案)Producing small errors in calculated aspectProducing large errors in calculated aspectProduce errors in calculated CAP/TCPA71. A single vertical ma

48、gnet placed underneath the compass in the binnacle is used to compensate for _. 單選題 *the horizontal component of the permanent magnetismdeviation caused by the vessels inclination from the vertical(正確答案)induced magnetism in the horizontal soft ironinduced magnetism in the vertical soft iron72. The r

49、eceiver uses _ satellites to compute latitude，longitude，altitude，and velocity. 單選題 *onetwothreefour(正確答案)73. _ is used for calling and replying, and for transmitting acknowledging and relaying distress alerts. 單選題 *NAVTEX receiverSearch and Rescue TransponderEmergency Position Indicating Radio Beaco

50、nDigital selective calling(正確答案)74. How is an uncoded racon displayed on the PPI? 單選題 *As a line(正確答案)As a dotAs a small circleAs a large circle75. Variation is a compass error that you _. 單選題 *can correct by adjusting the compass cardcan correct by adjusting the compensation magnetscan correct by c

51、hanging the vessels headingcannot correct(正確答案)76. Before sailing, mariners on duty shall check the headings of magnetic compass by comparison with _. 單選題 *ships clockengine movement recorderrepeaters(正確答案)navigation lights77. _ is the navigational timekeeper of the vessel. 單選題 *The marine sextantTh

52、e chronometer(正確答案)The magnetic compassThe gyrocompass78. A(n) _ indicates that there is serious and immediate danger for vessel, crew and passengers. 單選題 *distress alert(正確答案)urgency messagesafety messageroutine message79. Which one of the followings is a standard phrase? 單選題 *WARNING. You are runn

53、ing into danger.(正確答案)You are possibly running into danger.You could be in the case of running into danger.You could , I think , be running into danger.80. What is the right way to use VHF CH16 and working channel? 單選題 *Ships can call other ships on Ch16 but should move to a working channel as soon

54、as possible.(正確答案)Ship should use working channel to call other ships at any time.Ch16 is only used as the international distress and calling frequency.Ship can use Ch16 or working channel as they like81. The ship LRIT system shall transmit the ships LRIT information at _ to an LRIT DATA center ? 單選

55、題 *1-hour interval2-hour interval3-hour interval6-hour intervals(正確答案)82. In _ within coverage of an Inmarsat geostationary satellite, continuous alerting is available. 單選題 *Sea Area A1Sea Area A2Sea Area A3(正確答案)Sea Area A483. How to report your ship call sign to a shore station? 單選題 *Use capital l

56、ettersUse phonetic alphabet(正確答案)Use letters and numbersUse flag signals84. Any piece of metal on becoming magnetized will develop regions of concentrated magnetism called _. 單選題 *fluxpoles(正確答案)magnetsazimuth85. _ is used for measuring horizontal and vertical angles. 單選題 *The marine sextant(正確答案)Th

57、e chronometerThe magnetic compassThe gyrocompass86. Which of the following is defined as static information? 單選題 *Navigational statusSafety related messageMMSI(正確答案)Route plan87. The _ transmits own ship data cyclically via two defined VHF channels and receives the same data of the other ships and o

58、bjects that are equipped with AIS systems. 單選題 *AIS(正確答案)ECDISGPSVDR88. What are the only magnetic compass correctors that correct for both permanent and induced effects of magnetism？ 單選題 *Quadrantal spheresHeeling magnets(正確答案)Athwartships magnetsFore-and-aft magnets89. All VHF marine band radios operate in the simplex mode, which means that _. 單選題 *only one person may talk at a time(正確答案)only two persons may talk at the same timethe radio only transmitsthe radio only receives90. What type of radar can activate a racon? 單選題 *X-band