海船船员考试
单选题A vessel is heading magnetic north and its magnetic compass indicates a heading of 003°. What action should be taken to remove this error during compass adjustment? （）A Move the quadrantal spheres closer to the compassB Raise the heeling magnet if the
题目
Move the quadrantal spheres closer to the compass
Raise the heeling magnet if the red end is up
Remove some of the Flinders bar
Raise or lower the athwartship magnets
相似问题和答案
第1题：
Which magnetic compass corrector（s）can be set while the vessel is on a heading of magnetic north or magnetic south ________．
A.Quadrantal spheres
B.Heeling magnets
C.Flinders bar
D.Fore-and-aft magnets
第2题：
If the compass heading and magnetic-heading are the same then ______.
A.the deviation has been offset by the variation
B.there is something wrong with the compass
C.the compass is being influenced by nearby metals
D.there is no deviation on that heading
假如没有被接上管子，船上的每一个低速喷嘴均必须被存储被用于接上灭火水龙带的消防栓旁边。
第3题：
A vessel is heading magnetic north and its magnetic compass indicates a heading of 003°. What action should be taken to remove this error during compass adjustment?
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
第4题：
Magnetic dip is a measurement of the angle between the ______.
A.geographic pole and the magnetic pole
B.lubber’s line and true north
C.horizontal and the magnetic line of force
D.compass heading and the magnetic heading
磁倾角是地平和磁力线夹角的测量。
第5题：
Magnetic compass deviation______．
A.varies depending upon the bearing used
B.is the angular difference between magnetic north and compass north
C.is published on the compass rose on most nautical charts
D.is the angular difference between geographic and magnetic meridians
磁罗经自差是磁北与罗北之间的差角。
第6题：
Deviation in a compass is caused by the ______.
A.vessel’s geographic position
B.vessel’s heading
C.earth’s magnetic field
D.influence of the magnetic materials of the vessel
罗经的自差是由于船舶材料磁场的影响引起的。
第7题：
If a magnetic compass is not affected by any magnetic field other than the Earth’s which statement is TRUE?______.
A.Compass error and variation are equal
B.Compass north will be true north
C.Variation will equal deviation
D.There will be no compass error
若磁罗经不受除了地磁意外的任何磁场的影响，哪个叙述是对的？罗经差和磁差一样的。
第8题：
Which magnetic compass corrector（s）CANNOT be set on a heading of magnetic east or magnetic west ________．
A.Heeling magnet
B.Flinders bar
C.Fore-and-aft magnets
D.All of the above can be set on magnetic east or magnetic west headings
第9题：
Magnetic heading differs from compass heading by______．
A.compass error
B.true heading
C.variation
D.Deviation
磁首向不同于罗经首向在于自差。
第10题：
vessel's geographic position
vessel's heading
earth's magnetic field
influence of the magnetic materials of the vessel