What could be a result of insufficient lubrication of lifeboat winches and davits?（）<br>A:Moisture accumulation in winch motor damaging the electrical wiring<br>B:Freezing of gears in cold weather<br>C:Corroding of sheaves on the davits so they will not rotate<br>D:All of the above

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

出自：海船船员证

提示：
同一【IP】的非会员用户每天可免费获取10次答案

收藏本站【zk.995w.com】，下次访问不迷路

本站试题总数:【10252701】个 (题库试题定时更新)