OUPV Navigation General Questions and Correct Answers
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Course
OUPV
Institution
OUPV
The term "slack water" during a tidal change means:
Ans: Little or no movement of water
When entering a channel from the sea and decide to check your compass heading
you steer on a pair of range lights and find the upper light is in line with the lower
light you should:
Ans: Maintain your cu...
OUPV Navigation General Questions and Correct Answers The term "slack water" during a tidal change means: Ans: Little or no movement of water When entering a channel from the sea an d decide to check your compass heading you steer on a pair of range lights and find the upper light is in line with the lower light you should: Ans: Maintain your current course You observe a buoy mark having green and red horizontal bands it will ha ve a light characteristic of: Ans: Composite group flashing (2+1) The direction of the earth's surface wind is: Ans: Deflected by the earth's rotation (coriolis effect) Your vessel's position should be plotted using bearings of: Ans: Fixed known objects on shore Which buoy may be lettered and NOT numbered? Ans: Preferred -channel buoy Spring tides will produce: Ans: Higher highs and lower lows than normal You must assume when using a buoy as an aid to navigation: Ans: The b uoy may not be in the charted position The "Local Notice to Mariners" provides corrections of local nature to charts and is published: Ans: Weekly The term "Tide" means: Ans: Vertical movement of the water When plotting a voyage, you should: Ans: Never rely on a floating buoy to maintain its exact position the difference in height between high tide and low tide: Ans: Range of tide From seaward the IALA Region B red and green horizontally -banded buoys refer to: Ans: Preferred c hannels Determining the heights of the land features on most charts unless otherwise stated the "reference datum" is: Ans: Mean high water Red or green lights may appear on: Ans: Horizontally banded buoys The depth of the water on the chart is the: Ans: Vertical distance from the chart sounding datum to the ocean bottom
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