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
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A.Greenwich celestial meridian
B.hour circle of the body
C.local celestial meridian
D.vertical circle of the body
A.Ballast Control Operator
B.Barge Supervisor
C.Master or Offshore Installation Manager
D.operators representative
A.Selected Worldwide Marine Weather Broadcasts
B.your local newspaper
C.the Notice to Mariners
D.the daily weather map
A.stronger
B.thinner
C.more corrosion resistant
D.a lower grade steel
A.warmer,less dense,and less stable
B.cool,more dense,and drier
C.muggy and cloudy
D.extremely moist with high relative humidity
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Diesel powered industrial trucks on a ship that are provided with safeguards to the exhaust,fuel,and electrical systems are designated().
Control of fire should be addressed().
Deficient oxygen content inside a chain locker can be detected with().
Concerning a celestial observation,the azimuth angle is measured from the principal vertical circle to the().
Channel 13 is primarily used for ship to ship communication. Channel 13 is also authorized for().
Class I and II private aids to navigation in or along navigable waters of the United States are listed in the().
Daylight savings time is a form of zone time that adopts the time().
Deneb is found in what constellation?()
Considering the general circulation of the atmosphere,the wind system between latitudes 30°N and 60°N is commonly called the().
Cumulonimbus clouds are formed by().