A.A black ball that is hoisted when the ship anchors
B.A buoy attached to the anchor
C.A buoy attached to the scope of an anchor chain
D.A mark of the number of fathoms in an anchor chain
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A.Oil Rig chain and Oil Field Stud Link chain
B.Flash-butt welded chain and Di-Lok chain
C.Flash-butt welded chain and Oil Rig chain
D.Oil Field Stud Link chain and Flash-butt welded chain
A.Self-loading
B.Self-trimming
C.Self-unloading
D.Self-discharging
A.number of strands
B.number of wires in each strand
C.circumference
D.diameter
A.and preventer have equal stress
B.stronger than the preventer to minimize the danger of separation
C.take a lighter load than the preventer as a safety factor
D.take the stress in case the preventer parts
A.is stated on the vessel's Certificate of Inspection
B.is the number authorized in the Navigation Rules
C.depends on the number of lifejackets you carry
D.is the number authorized by your license
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Which statement about stowing spare hose is TRUE（）.
In a married falls rig at the after end of a hatch，a boom is rigged in a fore and aft line through its heel.Stresses on the outboard guy will be LEAST if the guy is made fast at a point（）.
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SOLAS is the abbreviation of（）.
Flanking rudders effect a vessel’s heading because of the（）.
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You are preparing to lubricate standing rigging on your vessel．When rigging a bosun’s chair on a stay with a shackle，（）.
When two lines are spliced together,（）.