A.required to give way in a crossing situation
B.required to sound the first passing signal in a meeting situation
C.free to maneuver in any crossing or meeting situation as it has the right-of-way
D.required to maintain course and speed in a crossing situation but may take action to avoid collision
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A.over the bow or stern of a vessel
B.over the flat sides of a vessel
C.over the open water
D.over the dockside
A.replaced in its proper location if weight loss is no more than 15%
B.replaced in its proper location if weight loss is no more than 25%
C.labeled empty and recharged as soon as possible
D.labeled empty and replaced in its proper location regardless of weight
A.red-and-white octagon
B.daymark with a yellow stripe on it
C.green square
D.yellow diamond
A.cross connection line between two main fire lines
B.special wrench for the couplings in a fire hose line
C.tackle rigged to support a fire hose
D.None of the above
A.gale force winds within 12 hours
B.blizzard conditions
C.deteriorating or unsettled weather
D.heavy，wind driven rain
最新試題
A stage should only be rigged（）.
A tug in irons is（）.
A tug may be in danger of tripping when（）.
A stretch where the channel changes from one side of the river to the other is called a （）.
A spanner is a （）.
A slow rise in the barometric pressure forecasts（）.
A storm’s track is characterized by all of the following except（）.
A thin，whitish，high cloud popularly known as “mares’ tails” is（）.
A tow of 9 barges is made up three abreast by three long. The towboat is faced up to the last barge of the center string. The outer two strings of barges are the（）.
A survival craft being used to pick up a person who has fallen overboard from a ship should approach the person（）.