A.positive
B.negative
C.zero
D.vertical
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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
A.The bow will swing to starboard
B.The bow will swing to port
C.The vessel will steer a zigzag course
D.The vessel will steer a fairly straight course.
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?（）
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A vessel may use any sound or light signals to attract the attention of another vessel as long as（）.
A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall，when making way，exhibit（）.
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A vessel not under command shall display（）.
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