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

试卷相关题目

• 1Most LOG use the doppler shift of the carrier phase to compute ______．

  A.Latitude

  B.Longitude

  C.Speed

  D.Time

  开始考试点击查看答案
• 2Indications of the master gyrocompass are sent to remote repeaters by the ______．

  A.follow-up system

  B.transmitter

  C.phantom element

  D.azimuth motor

  开始考试点击查看答案
• 3There 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

  开始考试点击查看答案
• 4When 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

  开始考试点击查看答案
• 5Your radar is set on a true motion display．Which of the following will NOT appear to moveacross the PPI scope、

  A.Echoes from a buoy

  B.Own ship's marker

  C.Echo from a ship on the same course at the same speed

  D.Echo from a ship on a reciprocal course at the same speed

  开始考试点击查看答案
• 6The most common type of davit found on merchant vessels today is the ______．

  A.radial

  B.sheath-screw

  C.gravity

  D.quadrantal

  开始考试点击查看答案
• 7What 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

  开始考试点击查看答案
• 8Which 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

  开始考试点击查看答案
• 9The 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

  开始考试点击查看答案
• 10If 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

  开始考试点击查看答案