OUPV Practice test- Navigation General
Exam With Verified Answers.
the term slackwater during a tidal change means - Answer little or no movement of water
when heading into a channel and the two range lights are in line line you should - Answer
keep your course
you observe a buoy mark having a green and red horizontal bands. what light characteristic will
it have? - Answer composite group flashing
the direction of the earth's surface wind is - Answer deflected by the earths rotation
your vessel's position should be plotted using bearings of - Answer fixed known positions on
land
which buoys may be lettered and not numbered - Answer preferred channel buoy
spring tides will produce - Answer higher highs and lower lows than normal
you must assume when using a buoy as an aid to nav. - Answer the buoy may not be in the
charted position
the "local notice to mariners" provides corrections of local nature to charts and is published -
Answer weekly
the term "tide" means - Answer vertical movement of the water
when plotting a voyage - Answer never rely on a floating buoy to be on station as charted
the difference in height between high tide and low tide - Answer range of tide
, red or green lights may appear on - Answer horizontally banded buoys
the depth of the water on a chart is the - Answer vertical distance from the chart sounding
datum to the ocean bottom
north hemisphere wind which shirts in a counter clockwise motion is called - Answer backing
wind
a vessels position acquired by using atleast 3 or more bearings are called a - Answer fix
mean lower low water if the reference plane used for - Answer sounding on the US east and
west coasts
a single line of position combined with a DR position results in - Answer estimated position
the sun and moon align twice each month what type of tides can be expected - Answer spring
buoy marked with composite group flashing light indicates a - Answer preferred channel
on the US east and west coast charted depths are taken from - Answer lower low water levels
weather forecast expects a "backing" wind. In the northern hemisphere, this would indicate
that - Answer shift in a counter clockwise direction
what type of tides occur when the sun and moon are at right angles to eachother - Answer
neap
if lighted preferred channel bouy will show a - Answer composite group flashing(2+1) red or
green light
the length of a lunar day is - Answer 24 hr. 50 min.(about 50 minutes longer than usual)
Exam With Verified Answers.
the term slackwater during a tidal change means - Answer little or no movement of water
when heading into a channel and the two range lights are in line line you should - Answer
keep your course
you observe a buoy mark having a green and red horizontal bands. what light characteristic will
it have? - Answer composite group flashing
the direction of the earth's surface wind is - Answer deflected by the earths rotation
your vessel's position should be plotted using bearings of - Answer fixed known positions on
land
which buoys may be lettered and not numbered - Answer preferred channel buoy
spring tides will produce - Answer higher highs and lower lows than normal
you must assume when using a buoy as an aid to nav. - Answer the buoy may not be in the
charted position
the "local notice to mariners" provides corrections of local nature to charts and is published -
Answer weekly
the term "tide" means - Answer vertical movement of the water
when plotting a voyage - Answer never rely on a floating buoy to be on station as charted
the difference in height between high tide and low tide - Answer range of tide
, red or green lights may appear on - Answer horizontally banded buoys
the depth of the water on a chart is the - Answer vertical distance from the chart sounding
datum to the ocean bottom
north hemisphere wind which shirts in a counter clockwise motion is called - Answer backing
wind
a vessels position acquired by using atleast 3 or more bearings are called a - Answer fix
mean lower low water if the reference plane used for - Answer sounding on the US east and
west coasts
a single line of position combined with a DR position results in - Answer estimated position
the sun and moon align twice each month what type of tides can be expected - Answer spring
buoy marked with composite group flashing light indicates a - Answer preferred channel
on the US east and west coast charted depths are taken from - Answer lower low water levels
weather forecast expects a "backing" wind. In the northern hemisphere, this would indicate
that - Answer shift in a counter clockwise direction
what type of tides occur when the sun and moon are at right angles to eachother - Answer
neap
if lighted preferred channel bouy will show a - Answer composite group flashing(2+1) red or
green light
the length of a lunar day is - Answer 24 hr. 50 min.(about 50 minutes longer than usual)
