航海英语大副模拟测试卷(1)
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The highest level of commercial navigational accuracy is provided by ().
- A.DGPS，within a coverage area
- B.SPS，without selective availability
- C.PPS，without selective availability
- D.NAVSAT，using the Doppler-shift
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Which is an inferior planet ().
- A.Mars
- B.Venus
- C.Neptune
- D.Pluto
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Daylight savings time is a form. of zone time that adopts the time ().
- A.one zone to the east
- B.one zone to the west
- C.two zones to the east
- D.two zones to the west
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Frapping lines are fitted to lifeboat davits to ().
- A.secure the lifeboat in the davits when in the stowed position
- B.bring the lifeboat close along the rail in the embarkation position
- C.give the occupants a safety line when the boat is being lowered from the embarkation level
- D.reduce the swinging of the lifeboat at the embarkation levelFrapping
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Which document is NOT required by law to be posted aboard a vessel ________.
- A.Official Crew List
- B.Certificate of Inspection
- C.Officer's licenses
- D.Muster List
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After the passage of a cold front the visibility ().
- A.Does not change
- B.Improves rapidly
- C.Improves only slightly
- D.Becomes poor
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On a ship，the deck stringer is the outboard most deck ().
- A.Plating
- B.Beam
- C.Stiffener
- D.Stanchion
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In restricted visibility the speed of a vessel without operational radar may be ()enable effective avoiding action to be taken on sighting another ship.
- A.too low to
- B.too high to
- C.too high for
- D.too low for
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The citizenship of a crew member of a vessel is determined solely by the ______.
- A.Customs Officer
- B.Immigration Officer
- C.Coast Guard
- D.Union Official
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______ are changes on charts due to changes in hydrography，topography，construction，removal or addition of dangers to navigation et
- A.revised edition
- B.new edition
- C.small corrections
- D.source data
GMDSS题库试题(1)
GMDSS题库试题(2)
GMDSS题库试题(3)
GMDSS题库试题(4)
GMDSS题库试题(5)
GMDSS试题练习(1)
GMDSS试题练习(2)
GMDSS试题练习(3)
GMDSS试题练习(4)
GMDSS试题练习(5)