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
Would you mind（）your DF?
What does not contribute to the commercial GPS receiver position error（）.
The operator of the ship’s radiotelephone，if the radiotelephone is carried voluntarily，must hold at least a（）.
（）is not a factor which will affect the accuracy of GPS receiver.
（）is a digitized“picture”of a chart.
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.
Which of the following statements is TRUE regarding crane operations（）.
Which of the following statements is TRUE regarding automatic identification systems（AIS）（）.
Most modern Loran-C receivers，when not tracking properly，have a（n）（）.
Would you please（）on the radar?