When lowering lifeboats in heavy seas，a good practice is to rig frapping lines（）.

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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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• A body can only be observed at lower transit when（）.

  A . the declination is the opposite name to the latitude B . the algebraic sum of the colatitude and declination exceeds 90 C . the observer is in high latitudes above either polar circle D . the body is circumpolar

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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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• A lifeboat is weight tested by lowering to near the waterand loading to capacity with weight evenly distributed. Itis then lowered into the water and released. This test mustbe done at least once every（）.

  A . 6 months B . 12 months C . 18 months D . 24 month

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• When whistle signals are used for launching lifeboats，one short blast means（）.

  A . use the float-free method only B . lower all boats C . raise all boats D . drill is over，secure all boat

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• Each lifeboat must be lowered and maneuvered in the water at least once every（）.

  A . 2 months B . 3 months C . 4 months D . 5 month

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• Prior to lowering the lifeboat，the most important item to check is the（）.

  A . oars B . sail C . boat plug D . life preserver

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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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• In rough weather，when a ship is able to maneuver，it is best to launch a lifeboat（）.

  A . on the lee side B . on the windward side C . with the wind dead ahead D . with the wind from aster

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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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• The needle valve in a fuel valve will （） when the fuel pressure action on the needle valve tapered face exerts a force lower than that of the spring compression.

  A . be jammed B . be opened C . be seated D . be broke

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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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• When the dew point of the outside air is lower than or equal to the dew point of the air in the cargo hold，you should（）.

  A . secure all ventilation B . shut down the exhaust blowers C . shut down the intake blowers D . ventilate the cargo hold

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• When a rescue vessel approaches a lifeboat in heavy seas，the person in charge of the lifeboat should（）.

  A . tie up to the rescue vessel B . transfer only those personnel who are not seasick C . wait for calmer weather before transferring personnel D . transfer all personnel immediately

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• When lowering manropes alongside a stage rigged over the side of a vessel，they should be allowed to trail in the water（）.

  A . to easily remove the kinks that form in the lines B . to allow the seamen on the stage to know the direction and strength of the current C . to provide the seaman something to hold onto if he or she falls from the stage into the water D . only for short periods of time since they will become waterlogged and be very heavy to pull u

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• In launching a covered lifeboat，what would safely lower the lifeboat from inside the lifeboat cabin?（）

  A . Frapping line B . Tricing line C . Rottmer release D . Winch remote control wire

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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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• The signal given to commence lowering the lifeboats is（）.

  A . 3 short blasts of the ship's whistle B . 1 short blast of the ship's whistle C . 3 long blasts of the ship's whistle D . 1 long blast of the ship's whistle

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• When operating the air supply system in a covered lifeboat the（）.

  A . fuel supply valve should be closed B . hatches，doors，and oar ports should be closed C . air cylinder shut-off valve should be closed D . engine should be shut off

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• In an open lifeboat，the lifeboat compass is usually（）.

  A . placed in a fixed bracket when being used B . clamped to any position convenient for the coxswain to see it C . permanently mounted on the lifeboat's centerline D . mounted in the center of the boat to eliminate deviatio

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• Your vessel is equipped with totally enclosed lifeboats. Which statement is true when the boat is enveloped in flames?（）.

  A . The ventilators will automatically close by the action of fusible links B . The motor takes its air supply from outside the lifeboat to prevent asphyxiation of the crew C . A water spray system to cool the outside of the boat is operated by a high-volume manual pump D . An air tank will provide about ten minutes of air for the survivors and the engine

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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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• 间接性跛行是指行走随距离增加而出现腰背痛或下肢放射痛,休息后缓解,再次行走时再出现(Indirect claudication refers to low back pain or radiation pain in the lower limbs when walking with increasing distance, which is relieved after rest and reappears when walking again)

  错误 正确

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• A lifeboat is weight tested by lowering to near the waterand loading to capacity with weight evenly distributed. Itis then lowered into the water and released. This test mustbe done at least once ever

  A．6 months B．12 months C．18 months D．24 month

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