航海英语(甲类三副)模拟试题(1)
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Diesel engines are considered safer than gasoline engines because ______.
- A.they are more heavily built
- B.the fuel used is less volatile
- C.they can be easily reversed
- D.they operate at a lower speed
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Deviation is caused by ______.
- A.changes in the earth’s magnetic field
- B.nearby magnetic land masses or mineral deposits
- C.magnetic influence inherent to that particular vessel
- D.the magnetic lines of force not coinciding with the lines of longitude
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Deviation is the angle between the ______.
- A.true meridian and the axis of the compass card
- B.true meridian and the magnetic meridian
- C.magnetic meridian and the axis of the compass card
- D.axis of the compass card and the degaussing meridian
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Deviation which is maximum on intercardinal compass headings may be removed by the___.
- A.Flinders bar
- B.transverse magnets
- C.fore-and-aft magnets
- D.soft iron spheres on the sides of the compass
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Deficient oxygen content inside a chain locker can be detected with ______.
- A.litmus paper
- B.a combustible gas indicator
- C.an oxygen breathing apparatus
- D.an oxygen indicator
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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
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Deballasting a double bottom has what affect on KG? ______.
- A.KG is increased
- B.KG is decreased
- C.KG is not affected
- D.KG increases at light drafts and decreases at deep drafts
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Deep draught vessels may have to make use of the height of tide in order to have a safe under keel clearance in areas where depths are______．
- A.sufficient
- B.normal
- C.abnormal
- D.Critical
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Defense plans may cause the operation of electronic aids to navigation to be suspended with
- A.no notice
- B.one day’s notice
- C.a week’s notice
- D.thirty (30) days notice
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Damage to ship’s fittings caused by stevedore’s negligence often happens. Therefore, thestevedores ______ the cost of the damage repaired afterwards.
- A.should hold responsible for
- B.should be held responsible for
- C.should be free of
- D.should be bearable of
GMDSS题库试题(1)
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GMDSS试题练习(1)
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