航海英语(二三副)单选题练习1
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A vessel fitted with twin screws is easier in ______ than a vessel with single screw．
- A.turning maneuver
- B.course setting
- C.position fixing
- D.regulating speed
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A vessel sailing shall keep out of the way of all of the following vessels except a vessel ______.
- A.not under command
- B.engaged on pilotage duty
- C.restricted in her ability to maneuver
- D.engaged in fishing
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The piping that routes an oil cargo from the manifold to underdeck pipelines is known as a ______.
- A.cargo fill
- B.line drop
- C.transfer
- D.branch line
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When steering by autopilot, how often should_______steering be checked?
- A.every day
- B.when time allows
- C.At least once a watch
- D.No checking is necessary
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Who must be familiar with the Masterlist and Emergency Instructions onboard?________.
- A.The captain only
- B.The officers only
- C.All crew members and other personnel onboard
- D.Passengers only
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To “EASE” A LINE means to ___ .
- A.cast off
- B.double up so that one line does not take all the strain
- C.pay out line to remove most of the tension
- D.slack it off quickly
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What is the minimum period of time that the air supply for a self-contained breathing apparatus is required to last?________.
- A.10 minutes
- B.20 minutes
- C.30 minutes
- D.90 minutes
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One of the limitations of foam as an extinguishing agent is that foam______.
- A.cannot be made with salt water
- B.is heavier than oil and sinks below its surface
- C.is corrosive and a hazard to fire fighters
- D.conducts electricity
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What may affect the accuracy of sounding with echo sounder?______.
- A.Sea bottom
- B.Ship's speed
- C.Speed of current
- D.Water temperature and density
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Generally speaking，the most favorable bottom for anchoring is ______.
- A.very soft mud
- B.rocky
- C.a mixture of mud and clay
- D.loose sand
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)