A.be a stopper
B.shorten a line
C.join lines of equal size
D.keep a line from passing through a sheave
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A.there are fifteen pounds of CO2 in the container
B.the container，when full，weighs fifteen pounds
C.the pressure at the discharge nozzle is l5 psi
D.the empty container weighs fifteen pounds
A.a safety line attached to a man working over the side
B.used to measure water depth
C.used to slow the headway of a barge
D.used to measure the overhead height of a bridge
A.join lines of equal size
B.form a temporary eye (loop) at the end of a line
C.be a stopper
D.keep a line from fraying
A.you can stop within your visibility range
B.you can take proper and effective action to avoid collision
C.you are traveling slower than surrounding vessels
D.no wake comes from your vessel
A.ferries
B.passenger liners
C.cruise ships
D.ocean going vessels
最新試題
A “fifteen-pound” CO2 extinguisher is so called because（）.
A chart with a scale of 1:80，000 would fall into the category of a（）.
A crew member has suffered frostbite to the toes of the right foot. Which is NOT an acceptable first aid measure?（）
A crew member is having an epileptic convulsion. You should（）.
A “spring line” is（）.
A buoy with a composite group-flashing light indicates a(n)（）.
A chart position enclosed by a square is a(n)（）.
A “figure eight” knot is used to（）.
A continual worsening of the list or trim of any floating ship indicates（）.
A continuous watertight bulkhead on a ship is normally also a(n)（）.