A.They are used to steady a lifeboat when lowered
B.They are normally attached to the davit span
C.They are needed only on radial davits
D.They are used to clear the puddings
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A.They have the same function as frapping line
B.They are safety lines for personnel inside the lifeboat
C.They slow the descent of the lifeboat
D.They hold the lifeboat alongside the embarkation deck
A.Two
B.Three
C.Four
D.Five
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
最新試題
Required lifesaving equipment on existing vessels may becontinued in use on the vessel if（）.
The maximum number of passengers a T-Boat may carry（）.
Which is TRUE concerning immersion suits and their use?（）
The life jackets on all vessels shall be（）.
Which person may command a lifeboat in ocean service?（）
The light on a life jacket must be replaced（）.
The tops of the thwarts，side benches，and the footings of a lifeboat are painted which color?（）
The lifesaving equipment on all vessels shall be（）.
When backing a motor propelled lifeboat (right-hand propeller) with the rudder amidships，the stern will back（）.
What is TRUE concerning frapping lines?（）