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 traffic separation zone is that part of a traffic separation scheme which（）.
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 stage should only be rigged（）.
A towline should be fastened to（）.
A sufficient amount of chain must be veered when anchoring a vessel to ensure（）.
A vertex of the navigational triangle is NOT located at the（）.
A towing light is（）.
A time diagram is a diagram on the plane of the（）.
A type of precipitation that occurs only in thunderstorms with strong convection currents that convey raindrops above and below the freezing level is known as（）.
A towing vessel’s fire detection system may be certified to comply with the Coast Guard’s towing vessel fire protection regulations by（）.