单项选择题

Each hose in the fuel transfer system for helicopter refueling must have a（）.

A.static grounding device
B.quick-disconnect nozzle
C.splash guard
D.vapor recovery system

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单项选择题

During storm conditions on a vessel，the mooring tensions should be adjusted so that（）.

A.all mooring lines have a different tension
B.the leeward lines have higher tension than the windward lines
C.the maximum tension of the most heavily loaded line does not exceed the safe working load
D.all horizontal tension forces on the windward lines are no greater than the vertical tension forces

单项选择题

During severe storms when survival becomes a major concern，it may become necessary to relieve high anchor tensions on the windward side of the unit by（）.

A.deballasting the rig
B.ballasting the rig
C.paying out cable on the windward side
D.paying out cable on the leeward side

单项选择题

A person suffering from possible broken bones and internal injuries should（）.

A.be assisted in walking around
B.be examined then walked to a bunk
C.not be moved but made comfortable until medical assistance arrives
D.not be allowed to lie down where injured but moved to a chair or bunk