单项选择题

On offshore drilling units，emergency lighting and each emergency power system must be tested at least once a（）.

A.day
B.week
C.month
D.year

点击查看答案&解析

上一题目录下一题

相关考题

单项选择题

It is the responsibility of the Master or person in charge of a ship to ensure that（）.

A.the Muster List ("Station Bill") is posted in each compartment
B.temporary personnel and visitors are advised of emergency stations
C.names of crew members are listed on the Muster List ("Station Bill")
D.no changes are made to the Muster List ("Station Bill")

单项选择题

In each inflatable liferaft，what equipment is provided to make quick，emergency，temporary repairs to large holes in the raft? （）

A.No equipment is provided
B.Glue and rubber patches
C.Several various-sized sealing clamps
D.Self-adhesive rubberized canvas patches

单项选择题

In an emergency，the electro-hydraulic steering units can be directly controlled by the（）.

A.trick wheel
B.rapson slide
C.follow-up gear
D.receiver unit