单项选择题
A.at a lower level than the baseline B.on the longitudinal centerline C.higher than the center of gravity D.at amidships
Ship’s officers should check every cargo compartment af...
单项选择题Ship’s officers should check every cargo compartment after it is filled with bulk grain to ensure（）.
A.all lighting circuits are energized B.all void spaces are filled C.the correct grade of cargo has been loaded D.the heavier grade is in the lower hold
Reinforcing frames attached to a bulkhead on a vessel a...
单项选择题Reinforcing frames attached to a bulkhead on a vessel are called（）.
A.side longitudinals B.intercostals C.stiffeners D.brackets
Progressive flooding on a ship is controlled by securin...
单项选择题Progressive flooding on a ship is controlled by securing watertight boundaries and（）.
A.transferring drill water B.dumping bulk materials C.pumping out flooded compartments D.evacuating the unit
