其他其他其他2006年第3期海船船员适任证书全国统考试题（总第41期）

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• 51When hitting a solid object such as a ship or an airplane,the radar waves are reflected back ______ they came．

  A.in the way

  B.the way

  C.by the way

  D.through the path

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• 52There is a possibility that small vessel, ice and other floating objects may not be ______ by radar at an adequate range．

  A.reflect

  B.shown

  C.detected

  D.defected

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• 53Indications of the master gyrocompass are sent to remote repeaters by the ______．

  A.follow-up system

  B.transmitter

  C.phantom element

  D.azimuth motor

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• 54Most LOG use the doppler shift of the carrier phase to compute ______．

  A.Latitude

  B.Longitude

  C.Speed

  D.Time

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• 55The correction to be applied to a Loran-C reading when matching a sky wave to a ground wave may be found ______．

  A.on loran charts covering areas where sky waves are used

  B.in the Radio Aids to Navigation PUB 117

  C.in the Loran-C Correction Tables

  D.Sky waves cannot be matched to ground waves in Loran-C to produce a usable reading

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• 56The most common type of davit found on merchant vessels today is the ______．

  A.radial

  B.sheath-screw

  C.gravity

  D.quadrantal

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• 57What is the basic concept of GMDSS、

  A.Search and rescue authorities ashore can be alerted to a distress situation

  B.Shipping in the immediate vicinity of a ship in distress will be rapidly alerted

  C.Shoreside authorities and vessels can assist in a coordinated SAR operation with minimum Delay

  D.All of the above

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• 58Which would be the subject of a NAVAREA warning、

  A.A drifting buoy sighted in mid-ocean

  B.Extinguishment of Wolf Trap Light located inside Chesapeake Bay

  C.All military exercises on the high seas involving four or more vessels

  D.Off-air times of radio beacons when scheduled for routine maintenance

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• 59The present voyage of my ship began at the port of Shanghai after loading 8 000 tons of Cargo on board and ended after discharging the Cargo at the port of Hong Kong which was ______．

  A.the port of destination

  B.the port for bunkering

  C.the port of arrival

  D.the last port of call

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• 60If you receive the signal over radiotelephone of "Romeo Papa Tango" while using theInternational Code of Signals, you should ______．

  A.report to the caller

  B.repeat your last transmission

  C.continue since he received your last transmission

  D.end the transmission

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