The circular steel structure installed around the propeller of a towboat is the ______．

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• 1You are using an automatic tension winch by yourself．If you get caught in the turns of the line as they lead into the gypsyhead ______．

  A.the safety cutout will stop the winch before you're injured

  B.the line will part and snap back

  C.you may be pulled into the winch and injured or killed

  D.None of the above are correct

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• 2If 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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• 3The 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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• 4Which 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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• 5What 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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• 6A spring line leads ______．

  A.fore and aft from the ship's side

  B.to the dock at a right angle to the vessel

  C.through the bull nose or chock at the bow

  D.through the chock at the stern

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• 7The key to rescuing a man overboard is ______．

  A.good communication

  B.a dedicated crew

  C.good equipment

  D.well-conducted drills

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• 8Which equipment is the primary source of generating a locating signal、

  A.DSC only

  B.DSC and EPIRB

  C.SART and DSC

  D.EPIRB and SART

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• 9Inspection of a Halon extinguisher involves checking the hose, handle, nozzle, and ______．

  A.sight glass

  B.weighing the extinguisher

  C.service technicians report

  D.last date it was charged

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• 10The purpose of air tanks in a lifeboat is to ______．

  A.make the boat float higher

  B.provide a stowage place for provisions

  C.add strength to the boat

  D.keep the boat afloat if flooded

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