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
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A.gale force winds within 12 hours
B.blizzard conditions
C.deteriorating or unsettled weather
D.heavy，wind driven rain
A.rainy weather for the next 48 hours
B.high seas
C.improving weather conditions
D.deteriorating weather conditions
A.seawater temperature
B.engine temperature
C.dry bulb and wet bulb temperatures
D.barometric pressure
A.Shift weight to the bow
B.Shift weight to the center of the boat
C.Shift weight to the stern
D.Throw excess weight overboard
A.entirely damaged
B.prejudice
C.total loss
D.injury
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A traffic separation zone is that part of a traffic separation scheme which（）.
A stand-on vessel is（）.
A towing hook may be released from the（）.
A tug is best positioned for towing and maneuvering on rivers and other restricted waters where wave action is limited when（）.
A towing light is（）.
A survival craft being used to pick up a person who has fallen overboard from a ship should approach the person（）.
A slow rise in the barometric pressure forecasts（）.
A vertex of the navigational triangle is NOT located at the（）.
A tug is “in irons” when held in a fixed position by（）
A storm’s track is characterized by all of the following except（）.