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
您可能感興趣的試卷
你可能感興趣的試題
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
At least（）radar transponder shall be carried on each side of every cargo ship of 500 gross tonnage and upwards.
When rigging a bosun’s chair，a tail block or lizard is used to（）.
SOLAS is the abbreviation of（）.
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（）.
In a twin screw ship going half-ahead，both screws turning outboard and the rudder amidships，no current or wind，the vessel will（）.
The size of wire rope is determined by the（）.
When rigging a stage，the standing part should be fastened to the horns of a stage with which of the following hitches（）.
What are the two main types of stud link chain（）.
Serving is（）.
What best describes an anchor buoy（）.