On open lifeboats，the purpose of the wire stretched between the davit heads is to（）.

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• A flooded lifeboat on board a vessel would adversely affect the vessel’s stability by（）.

  A . increasing the righting moment B . decreasing the vessel's displacement C . increasing the reserve buoyancy D . shifting the CG（center of gravity）off center

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• Which data is not painted on the bow of a lifeboat?（）.

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• If absolutely necessary，the best way to land on a beach in a motor lifeboat is to（）.

  A . run as fast as the boat will go and keep the sea on the stern B . secure the engine，put sea anchor over the bow，put out the oars，use sweep oar and back onto beach C . go in under oars and put out the sea painter D . put the sea broadside and let the boat drift ashore

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• When transferring survivors from an enclosed lifeboat to a rescue vessel，personnel on board the boat should（）.

  A . remove their life preservers to make it easier to climb on board the rescue vessel B . climb on top of the boat while waiting for their turn to transfer to the rescue vessel C . remain seated inside and make the transfer one person at a time D . enter the water and swim over to the rescue vessel

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• When launching an open lifeboat by falls，the boathooks should be（）.

  A . secured forward and aft where readily available B . secured amidships where they will not hinder the personnel C . used for fending off D . used for picking up survivors in the water

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• On a lifeboat equipped with Rottmer-type releasing gear，turning the releasing lever releases（）.

  A . the painter B . the after boat fall only if the boat is waterborne C . both falls at the same time only if the boat is waterborne D . both falls at the same time even if the boat has not reached the water

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• If you must land on a beach with an oar-propelled lifeboat through a heavy surf，the recommended method is to（）.

  A . keep the bow directly in toward the beach，and tow the sea anchor off the stern B . ride in on the back of a large breaker C . keep the bow into the seas with the sea anchor out over the bow，and row to meet the breaking waves D . head directly into the beach by staying between the crests of the wave

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