A.existing visibility conditions，limited only by the curvature of the Earth
B.perfect visibility conditions，limited only by the curvature of the Earth
C.existing visibility conditions，limited only by the intensity of the light
D.perfect visibility conditions，limited only by interference from background lighting
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A.hauling in on the anchor line as you would any anchor
B.getting all hands to assist
C.its trip line
D.cutting the line，as you cannot haul it back in
A.litmus paper
B.a combustible gas indicator
C.an oxygen breathing apparatus
D.an oxygen indicator
A.that the vessel is anchored
B.to request the draw span of a bridge to be opened
C.of distress
D.that the vessel is broken down and drifting
A.have someone standing by
B.make sure there is sufficient air within the locker
C.de-energize the windlass
D.All of the above
A.of
B.to
C.for
D.on
最新試題
Which may ignite fuel vapors?（）
The radiotelegraphy safety messages for condition indicating distress，urgency and safety，respectively，are（）.
Where would you find the call sign or call letters of the radio station on your ship?（）
Smoking in bed on a ship is prohibited（）.
Proper use shall be made（）radar equipment if fitted and operational.
Which statement is TRUE with respect to the elasticity of nylon mooring lines?（）.
The ship will be（）demurrage soon.
The winch is liable（）worn-out in this way.
The most likely time for oil pollution while bunkering is when（）.
Which mooring line has the least elasticity?（）