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
Guide tolerances during elevation of the jack-up rig will（）.
Generally，what is used to inflate liferafts?（）
How do you determine the weight of the vessel that is supported by the ground when a vessel has run aground?（）
Handholds or straps on the underside of an inflatable liferaft are provided（）.
How does a coast radio station communicating by HF radio normally identify itself?（）
Great Salt Pond on Block Island is（）.
Fusible-link fire dampers are operated by（）.
Good seamanship while towing in heavy weather requires all of the following EXCEPT（）.
How do you operate a portable CO2 fire extinguisher?（）
Generally speaking，in the Northern Hemisphere，when winds are blowing from between SE and SW the barometric reading（）.