航海英语(甲类三副)模拟试题(2)
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GM cannot be used as an indicator of stability at all angles of inclination because ______.
- A.M is not fixed at large angles
- B.there is no M at large angles
- C.G is not fixed at large angles
- D.there is no G at large angles
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Get searchlight______for transiting the canal at night．
- A.on
- B.already
- C.Almost
- D.ready
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Given the same water depth and line tension, the holding power of a 19 pound / foot wirerope mooring system in comparison to the holding power of a 90 pound / foot chain mooringsystem will be ______.
- A.weaker
- B.equal
- C.greater
- D.Indeterminable
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Generally, when lifting an inflatable life raft back aboard ship you would use the ______.
- A.towing bridle
- B.main weather cover
- C.external lifelines
- D.righting strap
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Generally speaking, you should expect to find low atmospheric pressure prevailing in the earth’s ______.
- A.equatorial area
- B.polar regions
- C.mid-latitudes
- D.All of the above
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Generally, ______ are used as the track charts on the high seas, ______ are used for harbors,inland waters and coastal areas.
- A.Mercator charts / Loran charts
- B.Admiralty charts / Routeing charts
- C.large scale charts / small scale charts
- D.small scale charts / large scale charts
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Generally, the first action in extinguishing an LFG fire caused by escaping gas is to ______.
- A.sweep flames away with water spray
- B.shut off the leak
- C.use a chemical foam fire extinguisher
- D.call the local fire department
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Generally speaking, the fuel injected into a marine diesel engine combustion chamber is ignited by ______.
- A.spark plugs
- B.glow plugs
- C.heat of compression
- D.a magneto
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Generally speaking, with ______ the weather becomes cloudy or overcast with strong winds.
- A.high pressures
- B.low pressures
- C.weak pressures
- D.strong pressures
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Gasoline fumes tend to ______.
- A.settle near the bottom of the bilge
- B.settle near the top of the bilge
- C.settle evenly throughout all levels of the bilge by mixing with air
- D.disperse to atmosphere
GMDSS题库试题(1)
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GMDSS试题练习(1)
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