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 spanner is a （）.
A towing light is（）.
A storm’s track is characterized by all of the following except（）.
A tug in irons is（）.
A thin，whitish，high cloud popularly known as “mares’ tails” is（）.
A tug may be in danger of tripping when（）.
A tsunami is caused by a(n)（）.
A traffic separation zone is that part of a traffic separation scheme which（）.
A tow that is properly aligned to pass through a narrow opening between two bridge piers is “ （）”.
A tug is best positioned for towing and maneuvering on rivers and other restricted waters where wave action is limited when（）.