A.towing bridle
B.main weather cover
C.external lifelines
D.righting strap
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A.non-toxic gas
B.Oxygen
C.Hydrogen
D.Helium
A.equatorial area
B.polar regions
C.mid-latitudes
D.All of the above
A.makes no change at all
B.is somewhat lower than it would be for winds from a northern quadrant
C.is uncertain and may fluctuate by increasing and decreasing
D.is somewhat higher than it would be for winds from the northern quadrant
A.logs must be kept in an orderly manner
B.erasures are not allowed
C.it must identify the vessel's name and official number
D.All of the above
A.the Sailing Directions and the Coast Pilot
B.a weather fax
C.the Local Notice to Mariners
D.the Light List
最新試題
How do you determine the weight of the vessel that is supported by the ground when a vessel has run aground?（）
Horizontal subdivision decks forming watertight compartments in the columns of a semisubmersible ship increase the unit’s（）.
How is the annual rate of change for magnetic variation shown on a pilot chart?（）
How could lashing gear used aboard Ro-Ro vessels be stowed when not in use?（）
Given the same water depth and line tension，the holding power of a 19 pound/foot wire rope mooring system in comparison to the holding power of a 90 pound/foot chain mooring system will be（）.
Handholds or straps on the underside of an inflatable liferaft are provided（）.
Hot air can hold（）.
From your position you observe a rotating white and green light to the north. This light is most likely（）.
Generally，when lifting an inflatable liferaft back aboard ship，you would use the（）.
General requirements for a vessel’s radiotelephone station log are that（）.