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
Geographic range is the maximum distance at which a light may be seen under（）.
The radiotelegraphy safety messages for condition indicating distress，urgency and safety，respectively，are（）.
Which tool is used to open the strands of fiber lines when making an eye splice?（）
The ship will be（）demurrage soon.
Which statement is TRUE concerning radiotelephones on board towing vessels?（）
Proper use shall be made（）radar equipment if fitted and operational.
Good anchorage may be obtained anywhere in this water area，the bottom being generally mud and sand，vessel may have（）.
Which measure should NOT be taken to reduce the pounding of a vessel in a head sea?（）
To safely anchor a vessel there must be sufficient scope in the anchor cable. Scope is the ratio of（）.
The winch at Hatch No.3 is（）trouble.