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
最新試題
In the manufacture of wire rope，if the wires are shaped to conform to the curvature of the finished rope before they are laid up，the rope is called（）.
When rigging a bosun’s chair，a tail block or lizard is used to（）.
SOLAS is the abbreviation of（）.
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（）.
Cribbing is（）.
When rigging a stage，the standing part should be fastened to the horns of a stage with which of the following hitches（）.
As you hold a piece of manila line vertically in front of you，the strands run from the lower left to the upper right.Which type of line is this（）.
What does the term end-for-end refer to in regard to a wire towing hawser（）.
When paying out nylon line from around the bitts（）.
Serving is（）.