航海英语丙类大副试题(1)
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Which factor has the greatest effect on the amount of gain required to obtain a fathometer reading ().
- A.Salinity of water
- B.Temperature of water
- C.Atmospheric pressure
- D.Type of bottom
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In order for a vessel to be engaged in fishing she must be ().
- A.underway
- B.using gear which extends more than 50 meters outboard
- C.using a seine of some type
- D.using gear which restricts her maneuverability
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Chart information details to be used in ECDIS should be the latest edition of information originated by a government-authorized hydrographic office and conform. to the standards of(the)().
- A.International Maritime Organization
- B.International Hydrographic Organization
- C.NASA
- D.US Coast Guard
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What does MBDD mean on the load waterline mark ()_.
- A.Timber tropical load waterline
- B.Timber summer load waterline
- C.Timber winter load waterline
- D.Timber winter North Atlantic load waterline
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This Certificate will remain in force (在有效期中)until May 1，2009.This Sentence refers to ______ of the Certificat
- A.the validity
- B.the time
- C.the date
- D.the issue
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According to the rules，a vessel's length is her ().
- A.length between the perpendiculars
- B.length along the waterline
- C.length overall
- D.registered length
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Deep-sea liners are ____()
- A.Ferries
- B.Passenger liners
- C.Cruise ships
- D.Ocean going vessels
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When crossing a front isobars tend to ().
- A.Change from smooth curves within the air mass to sharp bends at the front
- B.Change from sharp bends within the air mass to smooth curves at the front
- C.Pass smoothly across the front with no change
- D.Become closer together at the front and pass through in straight lines
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The horizon glass of a sextant is ().
- A.Silvered on its half nearer the frame
- B.Mounted on the index arm
- C.Between the horizon and the shade glasses
- D.All of the above
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If a person is unconscious from electric shock，you should first remove him from the electrical source and then ().
- A.administer ammonia smelling salts
- B.check for serious burns on the body
- C.determine if he is breathing
- D.massage vigorously to restore circulation
GMDSS题库试题(1)
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GMDSS试题练习(1)
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