A.equally sharing the load
B.jammed together
C.as far apart as possible
D.rove to the highest mechanical advantage
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A.hydraulic current
B.rectilinear current
C.rotary current
D.harmonic current
A.at a high rate of speed
B.under oars
C.against the wind
D.with the wind
A.the vessel has enough room to swing while at anchor
B.the anchor flukes bite into the ocean bottom
C.there is a sufficient scope of chain to keep the anchor on the bottom
D.there is more chain out than there is in the chain locker
A.Tehuantepecer
B.Papagayo
C.Norther
D.Pampero
A.bifurcation
B.transit
C.crossing
D.changeover
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A strong，often violent，northerly wind occurring on the Pacific coast of Mexico，particularly during the colder months，is called（）.
A storm’s track is characterized by all of the following except（）.
A thrust block is designed to（）.
A stage should only be rigged（）.
A towing light is（）.
A slow，gradual fall of the barometer indicates approaching（）.
A stand-on vessel is（）.
A towing vessel’s fire detection system may be certified to comply with the Coast Guard’s towing vessel fire protection regulations by（）.
A tug is “in irons” when held in a fixed position by（）
A tsunami is caused by a(n)（）.