单项选择题Which statement is TRUE about placing the eyes of two mooring lines on the same bollard?()

A.Put one line at the low point and one at the high point of the bollard so they don't touch
B.Take the eye of the second line up through the eye of the first line before putting the second line on the bollard
C.Never put two mooring lines on the same bollard
D.The mooring line forward should be put on the bollard first


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1.单项选择题Which statement is TRUE about nylon line?()

A.Manila line will usually last longer than nylon line
B.Nylon line is excellent for use in alongside towing
C.A normal safe working load will stretch nylon line 50%
D.Nylon stoppers should be used with nylon line

2.单项选择题Which spoken emergency signal would you use to call a boat to come assist a man overboard?()

A.Distress signal
B.Urgency signal
C.Safety signal
D.None of the above

4.单项选择题Which mooring line has the least elasticity?()

A.Dacron
B.Nylon
C.Esterlene
D.Polypropylene

5.单项选择题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

6.单项选择题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

7.单项选择题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

8.单项选择题Which may ignite fuel vapors?()

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

9.单项选择题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

10.单项选择题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