單項選擇題Which method of adjusting mooring lines is MOST useful for leaving a boat free to rise and fall with the tide?（）

A.Crossing the spring lines
B.Slacking all forward running lines while keeping all after running lines taut
C.Doubling up on spring or breast lines
D.Slacking bow and stern lines


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1.單項選擇題Which method is used to detect rot in manila lines?（）

A.Feeling the surface of the line for broken fibers
B.Measuring the reduction in circumference of the line
C.Observing for the appearance of mildew on the outer surface
D.Opening the strands and examining the inner fibers

2.單項選擇題Which measure should NOT be taken to reduce the pounding of a vessel in a head sea?（）

A.Add ballast in the afterpeak
B.Add ballast forward
C.Alter course
D.Reduce speed

3.單項選擇題Which may ignite fuel vapors?（）

A.Static electricity
B.An open and running motor
C.Loose wiring
D.All of the above

4.單項選擇題Where would you find the call sign or call letters of the radio station on your ship?（）

A.In the rig safety manual
B.On the Certificate of Inspection
C.On the Ship Station License
D.On the rig Watch Bill

5.單項選擇題To safely anchor a vessel there must be sufficient scope in the anchor cable. Scope is the ratio of（）.

A.weight of cable to weight of vessel
B.weight of cable to weight of anchor
C.length of anchor to depth of water
D.length of cable to depth of water