A.litmus paper
B.a combustible gas indicator
C.an oxygen breathing apparatus
D.an oxygen indicator
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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
A.engaged in piloting
B.towing astern
C.engaged in fishing
D.in distress
A.routine message
B.urgent message
C.distress message
D.safety message
最新試題
The ship is now down（）head.
In battery charging rooms，ventilation should be provided（）.
Which mooring line has the least elasticity?（）
Which statement is TRUE with respect to the elasticity of nylon mooring lines?（）.
Which tool is used to open the strands of fiber lines when making an eye splice?（）
The ship will be（）demurrage soon.
Which spoken emergency signal would you use to call a boat to come assist a man overboard?（）
Three SHORT BLASTS mean（）.
The most likely time for oil pollution while bunkering is when（）.
Should the vessel have no deratisation certificate at the time of her delivery，she（）be held to be unseaworthy.