A.soft clay
B.hard mud
C.very soft mud
D.sand
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A.immediately after restoring vital services
B.immediately
C.following control of flooding
D.following establishment of fire boundaries
A.prevailing westerlies
B.horse latitudes
C.trade winds
D.subpolar low pressure belts
A.Weather side
B.Leeward side
C.Upwind side
D.Crosswind side
A.When at anchor，the pilot vessel is only required to sound anchor signals
B.The identification signal must be sounded any time the pilot vessel is underway
C.The pilot vessel may only sound the identity signal when making way
D.All of the above
A.Greenwich celestial meridian
B.hour circle of the body
C.local celestial meridian
D.vertical circle of the body
最新試題
Deck beams on a ship are generally spaced at equal intervals and run（）.
Consideration should be given in planning for the mooring orientation in a new location so that in adverse weather a crane is available to off-load the supply vessel on what side of the unit?（）
Channel 13 is primarily used for ship to ship communication. Channel 13 is also authorized for（）.
Deficient oxygen content inside a chain locker can be detected with（）.
Corrosive liquids and acids should have which kind of label?（）
Coiling new rope against the lay，bringing the lower end up through the center of the coil，then coiling with the lay，in order to remove the kinks，is known as（）.
Diesel powered industrial trucks on a ship that are provided with safeguards to the exhaust，fuel，and electrical systems are designated（）.
Clouds form（）.
Daylight savings time is a form of zone time that adopts the time（）.
Commercial ships or other persons or agencies requiring the assistance of Canadian Coast Guard icebreakers should first contact（）.