A.Only when there is a chance of their being seen by rescue vessels
B.At half-hour intervals
C.At one-hour intervals
D.Immediately upon abandoning the vessel
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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
A.approach while coming to the left to take advantage of the current
B.drop an anchor outside the surf line，then pay out anchor line over the bow while the seas carry the boat toward the beach
C.approach slow enough so that the boat can be brought around to meet breaking seas on the bow
D.rig a drogue with tripping line over the bow，back ashore with drogue tripped between breakers
A.astern and the victim just off the bow
B.ahead and the victim just off the bow
C.just off the bow and the victim to windward
D.just off the bow and the victim to leeward
A.Sea anchor
B.Steering oar
C.Spare rudder
D.Dagger board
A.Water pockets
B.A keel
C.Strikes
D.Sea anchor
最新試題
What is NOT a function of the air supply of a covered lifeboat?（）
If you are forced to abandon ship in a lifeboat，you should（）.
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.
The Master or person in charge on a ship shall insure that line throwing equipment is not operated（）.
Prior to lowering the lifeboat，the most important item to check is the（）.
When landing a lifeboat through heavy surf with a strong current running parallel to the beach (from right to left when facing from seaward) the recommended procedure is to（）.
Under normal conditions a liferaft is released from itscradle by（）.
If water is rising in the bilge of a lifeboat，you should FIRST（）.
Most covered lifeboats will right themselves after capsizing if the（）.
On a passenger vessel，the vessel’s name must appear on（）.