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A mercurial barometer at sea is subject to rapid variations in height(”pumping”)due to the pitch and roll of the vessel.To avoid this error,measurements of atmospheric pressure at sea are usually measured with a(n)().

  • A.Syphon barometer
  • B.Cistern barometer
  • C.Aneroid barometer
  • D.Fortin barometer
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A flashing light is a light that ().

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  • B.is yellow in color
  • C.is visible over an arc of the horizon of not less than 180° nor more than 225°
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  • A.Unions
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  • A.underway but not making way
  • B.making way,not under command
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  • D.trolling underway

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  • A.the funnel
  • B.the messroom
  • C.the galley
  • D.the satellite antenna

If a davit-launched life raft aboard a vessel cannot be launched because of damage to the davit,you should ().

  • A.inflate the life raft on deck
  • B.roll the life raft over the side
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  • D.get a saw and cut the life raft free

The term flood current refers to that time when the water ().

  • A.is flowing towards the land
  • B.is moving towards the ocean
  • C.level is not changing
  • D.level is rising because of heavy rains

Fighting a fire in the galley poses the additional threat of ().

  • A.contaminating food with extinguishing agent
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