单项选择题
A vessel is overtaking when she can see which light(s) of a vessel ahead?()
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
相关考题
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单项选择题
A vessel is inclined at an angle of loll. In the absence of external forces,the righting arm (GZ) is().
A.positive
B.negative
C.zero
D.vertical -
单项选择题
A vessel is heading magnetic northwest and its magnetic compass indicates a heading of 317°. What action should be taken to remove this error during compass adjustment? ()
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 -
单项选择题
A vessel is heading magnetic northwest and its magnetic compass indicates a heading of 312°. What action should be taken to remove this error during compass adjustment? ()
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.
