單項(xiàng)選擇題If the named port is one at which no tugs are ever obtainable，and the chartered vessel can not，by reason of her size，reach that port without the assistance of tugs，the port is（）.

A.safe
B.not safe
C.good
D.not good


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1.單項(xiàng)選擇題If it is impossible to avoid a hurricane in the Northern Hemisphere，the most favorable place to be when the storm passes is in（）.

A.the dangerous semicircle
B.the eye (center) of the storm
C.that half of the storm lying to the right of the storm's path
D.that half of the storm lying to the left of the storm's path

2.單項(xiàng)選擇題Following a collision or accident，the Master of each vessel involved must render assistance to persons affected by the collision or accident（）.

A.if he can do so without any risk to his vessel
B.if he can do so without undue delay
C.if he can do so without serious danger to his vessel or to individuals on board
D.without regard to any danger to his vessel

3.單項(xiàng)選擇題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

4.單項(xiàng)選擇題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

5.單項(xiàng)選擇題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