A.Only the stern light of the vessel
B.One sidelight and a masthead light of the vessel
C.Only a sidelight of the vessel
D.The masthead lights of the vessel
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A.positive
B.negative
C.zero
D.vertical
A.If the quadrantal spheres are out as far as possible replace them with smaller spheres
B.If the quadrantal spheres are in as far as possible remove one of the spheres
C.If the quadrantal spheres are in as far as possible replace them with smaller spheres
D.If the quadrantal spheres are out as far as possible，move the quadrantal spheres in
A.If the quadrantal spheres are all the way out，replace them with smaller spheres
B.If the quadrantal spheres are all the way in，replace them with larger spheres
C.If the quadrantal spheres are all of the way out，move the spheres in
D.If the quadrantal spheres are all the way out，replace them with larger spheres.
A.Move the quadrantal spheres closer to the compass
B.Raise the heeling magnet if the red end is up
C.Remove some of the Flinders bar
D.Raise or lower the athwartship magnets
A.If the blue ends of the magnets are aft，and the fore-and-aft tray is at the top，you should add some magnets.
B.If the blue ends of the magnets are aft you should lower the fore-and-aft tray
C.If the blue ends of the magnets are aft，and the fore-and-aft tray is at the top，you should reverse the magnets
D.If the blue ends of the magnets are forward，and the fore-and-aft tray is at the bottom，you should add some magnets
最新試題
A vessel is heading magnetic east and its magnetic compass indicates a heading of 086°. Which action should be taken to remove this error during compass adjustment?（）
（）is due，in spite of that the salvage services have been rendered by or to vessel belonged to the same owner.
A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.
A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE? （）
A vessel is considered to be “restricted in her ability to maneuver” under the Rules if she is （）.
A vessel hearing a fog signal forward of her beam has not determined if risk of collision exists. She shall reduce speed to（）.
A vessel is “l(fā)isted” when it is（）.
A vessel is overtaking when she can see which light(s) of a vessel ahead?（）
A vessel has a charter party for one voyage to carry a full load of manganese from Durban，South Africa，to Baltimore，Maryland，at a stipulated rate per ton. Which type of contract is involved? （）
A vessel or object being towed astern shall display a(n)（）.