A.spider element
B.sensitive element
C.link arm
D.pickup transformer
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A.VHF
B.Steering Gear
C.Rudder Indicator
D.Loran
A.make
B.be made
C.not make
D.not be made
A.remains aligned with compass north
B.also turns to starboard
C.first turns to starboard then counterclockwise to port
D.turns counterclockwise to port
A.spider element
B.mercury ballistic
C.gyrotron
D.rotor
A.the horizontal component of the permanent magnetism
B.deviation caused by the vessel's inclination from the vertical
C.induced magnetism in the horizontal soft iron
D.induced magnetism in the vertical soft iron
最新試題
The heading of a vessel is indicated by what part of the compass? （）
Radar makes the most accurate determination of the（）.
In using Loran-C，skywave reception gives greater range but is（）.
The operator of the ship’s radiotelephone，if the radiotelephone is carried voluntarily，must hold at least a（）.
The（）transmits own ship data cyclically via two defined VHF channels and receives the same data of the other ships and objects that are equipped with AIS systems.
Loran-C uses the multiple pulse system because（）.
With respect to automatic identification systems（AIS），which information is expected to be broadcast every 1 to 10 seconds（）.
While you are at anchor，what will serve as a positive warning that you are drifting towards the wrecks located to the NW and SW of your 2215 position（）.
（）is not an alarm required by IMO standards to be available on the ECDIS.
The operation of which aids to navigation may be suspended during war or national emergency（）.