A.weaker
B.equal
C.greater
D.indeterminable
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A.towing bridle
B.main weather cover
C.external lifelines
D.righting strap
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
最新試題
How do the height and location of a tug’s towing bitts relate to the danger of tripping?（）
How does a coast radio station communicating by HF radio normally identify itself?（）
How is the external flotation bladder of an immersion suit inflated?（）
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（）.
Generally speaking，in the Northern Hemisphere，when winds are blowing from between SE and SW the barometric reading（）.
Generally，what is used to inflate liferafts?（）
How are riveted lap joints made watertight?（）
How does a vessel’s rate of turn change when entering shallow water?（）
Halon fire extinguishers are NOT effective when used on which types of fires?（）
How do you determine the weight of the vessel that is supported by the ground when a vessel has run aground?（）