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 manropes
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A.ring life buoy
B.lifeboats
C.lifeboat oars
D.All of the above
A.unbalanced rudders
B.balanced rudders
C.contraguide rudders
D.straight rudders
A.passengers are strapped to their seats
B.fuel tanks are not less than half full
C.sea anchor is deployed to windward
D.lower ballast tanks are filled with water
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
A.there is burning oil on the water
B.there is a rescue craft in the area
C.water temperature is below 40°F
D.a rigid survival craft is in the area
A.remain in the immediate vicinity
B.head for the nearest land
C.head for the closest sea-lanes
D.vote on what to do，so all hands will have a part in the decision
A.abandon the survival craft
B.check for cracks in the hull
C.shift all personnel to the stern
D.check the bilge drain plug
A.complete the stroke，hold your oar out from the boat and level with the water
B.dip the blade of your oar into the water and leave it there
C.lift your oar to a vertical position
D.complete the stroke，raise your oar slightly，swing it forward，and place it in the boat
A.Spliced into the ring on the stem post
B.Secured to the inboard side of a forward thwart and led inboard of the falls
C.Secured by a toggle to the stem post and led outboard of the falls
D.Secured by a toggle around the outboard side of a forward thwart
A.towing bridle
B.main weather cover
C.external lifelines
D.righting strap
最新试题
The Master or person in charge on a ship shall insure that line throwing equipment is not operated（）.
What is NOT a function of the air supply of a covered lifeboat?（）
Which operation should be done when launching an inflatable liferaft by hand?（）
When whistle signals are used for launching lifeboats，one short blast means（）.
Most lifeboats are equipped with（）.
When should you use distress flares and rockets?（）
Stretchers are fitted in lifeboats to provide a（）.
The knife on an inflatable liferaft will always be located（）.
The functioning of the radiotelegraph installations for motor lifeboats and/or the portable radio apparatus for survival craft，if provided，（）with the provisions of the regulations.
Under normal conditions a liferaft is released from itscradle by（）.