A.Two
B.Three
C.Four
D.Five
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A.Six by seven galvanized wire rope
B.Six by twenty-four improved plow steel wire rope
C.Six by thirty-seven preformed fiber-core wire rope
D.Six by nineteen regular-lay filler wire rope
A.Each lifeboat must have a launching appliance
B.Launching appliances must be of the gravity type
C.There may not be more than two launching appliances on the same deck
D.All of the above
A.Moisture accumulation in winch motor damaging the electrical wiring
B.Freezing of gears in cold weather
C.Corroding of sheaves on the davits so they will not rotate
D.All of the above
A.release the gripes
B.release tricing pendants
C.put the cap on the drain
D.lift the brake handle
A.be placed in the middle of a small circle formed by the other survivors in the water
B.float on their backs with their arms extended for maximum exposure to the air
C.remove their life preservers and hold on to the uninjured survivors
D.sip seawater at intervals of fifteen minutes
最新試題
When a rescue vessel approaches a lifeboat in heavy seas，the person in charge of the lifeboat should（）.
What is the accepted standard for wire rope falls used in connection with the lifeboat gear?（）
Which person may command a lifeboat in ocean service?（）
What shall be conducted during a fire and boat drill?（）
What is the purpose of tricing pendants?（）
When operating the air supply system in a covered lifeboat the（）.
When transferring survivors from an enclosed lifeboat to a rescue vessel，personnel on board the boat should（）.
What is the minimum number of deck officers，able seaman or certificated persons required for a lifeboat on a vessel in ocean service?（）
Safety shackles are fitted with（）.
The steering oar in a lifeboat is（）.