The davit launched life raft can be boarded（）.

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• What is the purpose of the limit switch on gravity davits?（）

  A . To cut off the power when the davits hit the track safety stops B . To stop the davits from going too fast C . To cut off the power when the davits are about 12 inches or more from the track safety stops D . None of the above

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• An inflatable life raft can be launched by（）.

  A . the floating-free method only B . breaking the weak link on the painter C . throwing the entire container overboard and then pulling an the operating D . removing the securing stra

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• On which type davit does the davit head stay at the same height?（）

  A . Radial B . Sheath-screw C . Quadrantal D . Gravity

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• In launching a lifeboat，when should the tricing pendants be released?（）.

  A . Before the boat is lowered from the stowage position B . As soon as the boat-fall blocks clear the davit head C . After the limit switch is activated D . After all people have been embarked

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• When abandoning ship，after launching the motor lifeboat you should（）.

  A . plot a course for the nearest land B . take a vote on which direction you should go C . stay in the immediate area D . go in one direction until fuel runs out

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• The pilot motor launches are （） blue，with the PILOT in white．

  A . furnished B . painted C . prepared D . writte

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• Vessel engaged in the launching or recovery of aircraft is called（）．

  A . A vessel restricted in her ability to maneuver B . A vessel not under command C . A vessel constrained by her draught D . A vessel not under way

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• Prior to boarding from a vessel，a davit-launched liferaft should be well ventilated of excess（）.

  A . hydrocarbon gas B . carbon monoxide gas C . carbon dioxide gas D . freon ga

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• When hoisting a boat on gravity type davits using an electric motor driven winch，the davit arms should be brought up（）.

  A . to their final position with the winch operating at slow speed B . to the bar stop，and then hand cranked to their final position C . until just before they make contact with the limit switch，and then hand cranked to their final position D . to the embarkation deck，and then hand cranked to their final positio

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• The maximum speed of lowering for a lifeboat on gravity davits is controlled by the（）.

  A . limit switches B . emergency disconnect switch C . governor brake D . position of the counterweight on the brake handle

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• The pivot pin at the base of a sheath-screw boom davit must be（）.

  A . inserted each time before the booms are cranked out B . periodically removed for inspection and lubricated C . replaced at each inspection for certification D . in the locked position after the boat is cradled and griped dow

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• When a davit-launched raft is lowered from a ship，upon becoming waterborne，the raft is released by（）.

  A . activating the release lock of the hook B . pulling smartly on the knobbed cocking lanyard C . the effects of buoyancy removing the weight of the raft from the hook D . releasing the boarding flap and the bowsing line

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• The davit aboard a ship is used to（）.

  A . lower personnel down by a transfer basket B . lower food and water to personnel in a life raft C . lower the life raft down with its full complement D . move equipment around the deck

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

  A . keep the movement of the davits at the same speed B . keep the davits from slipping when they are in the stowed position C . prevent vibration during lowering of the boat D . support the manrope

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• Which sequence is correct when launching a lifeboat stowed in gravity davits?（）

  A . Release gripes，turn on emergency disconnect switch，release frapping lines B . Release tricing pennants，turn on emergency disconnect switch，release frapping lines C . Operate limit switches，release gripes，lift brake D . Release gripes，lift brake，release tricing pennant

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• Prior to entering a davit-launched liferaft，you should make sure that（）.

  A . the liferaft is well ventilated of excess carbon dioxide B . all personnel have removed their life preservers to facilitate boarding C . the door flap has been cut away and stowed inside the raft D . All of the above

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• After a liferaft is launched，the operating cord（）.

  A . serves as a sea painter B . detaches automatically C . is used to rig the boarding ladder D . is cut immediately as it is of no further use

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• J.K.Toys company will launch Dealer Dan on January 20th. “launch” here means  makes the toy  available to the public. 

  A . 正确 B . 错误

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• The lifeboats on your vessel are stowed on cradles on deck and are handled by sheath-screw boom davits. Which of the following statements about launching a boat is TRUE?（）

  A . The boat should be hoisted a few inches clear of the cradle before cranking out the davits B . The inboard gripes should be cast off before the outboard gripes C . The outboard section of the cradle must be released D . The tricing pendants will automatically bring the boat alongside at the embarkation deck

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• When launching a lifeboat，the tricing pennants should be released（）.

  A . before the boat is lowered from the stowed position B . as the boat-fall blocks break clear of the davit head C . before the boat is lowered from the embarkation level D . after the boat is released into the water

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• 27. In the lifeboat stowed position, two _____ prevent the davits from accidentally swinging out.

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• American Civil War was launched by the ( ) and the ( ) of America.

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• 听力原文：Technicians are making the last-minute preparations for the launch of the U. S. s

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• Although it is possible to launch the spaceship both from ground and from the air, some people believe it's more cost-effective to launch it from ground.

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