单项选择题
What could be a result of insufficient lubrication of lifeboat winches and davits?（）
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
点击查看答案&解析
相关考题
-
单项选择题
Upon hearing the abandon ship signal，you put on your life jacket and report to your station. After the cover is removed you board your open lifeboat boat. The FIRST thing to do is to（）.
A.release the gripes
B.release tricing pendants
C.put the cap on the drain
D.lift the brake handle -
单项选择题
To keep injured survivors warm in the water after abandoning a ship，they should（）.
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 -
单项选择题
The type of davit on which you must turn a crank in order to swing the lifeboat out over the ship’s side is a（）.
A.sheath-screw davit
B.gravity davit
C.radial davit
D.bruckner davit
