1. Waypoints are geographic locations selected by the navigator which:
a) Coincide with visible landmarks or other aids to navigation
b) Are stored as numeric values denoting latitude & longitude
c) Indicate the final destination at the end of each day’s travel
d)All of the above
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2.Once the correct waypoint (WPT) is selected, the navigator:
a) May normally assume that the GPS receiver will give the safest course to that destination
b) Should check the GPS receiver to see that it is functioning
c) Should check the chart to see that the course to that WPT is clear of foul ground
d) Need only mark the position of the WPT on the chart
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3. Labelling WPT numbers on the chart of the area
a) Allows anyone of the crew to take over should the navigator become ill
b) Provides a permanent duplicate record of all WPTs stored in memory
c) Allows for ease of checking that courses do not pass over foul ground
d) All of the above
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4. When selecting points to be used as WPTs the navigator should
a) Select points which are located on the dashed red lines of “preferred routes”
b) Choose points which give numbers which are rounded off to minimize transposition errors
c) Not select points which are close to hazards
d)All of the above are correct
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5. Which of the following is INCORRECT when
selecting WPTs.
a) Select WPTs that are on the safe side of buoys
b) Select WPTs inside the harbour of your destination
c) Select WPTs so that there will be visual cues to assist in confirming arrival at the point
d) Select offshore WPTs taking care to consider prevailing winds and currents
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6. When using a GPS in navigation which of the following is NOT necessary
a) Plotting the electronic fixes on the chart at a minimum of once every hour
b) Having the ability to read and comprehend a chart
c) Plotting manual fixes on the same chart as electronic fixes
d) Using traditional navigation techniques even though they are necessarily always hindsight in nature
e) All of the above are necessary
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7. Combining traditional navigational plotting techniques often produces conflicting results compared with GPS navigation because
a) traditional plotting methods are too slow to provide instantaneous positions
b) only GPS is capable of providing accurate positions
c) using eye contact introduces errors which are not present when using electronic sensing
d) traditional methods are very inaccurate
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8. A safe approach to use with a GPS when approaching a harbour is
a) To set a WPT to head directly to the harbour and then curve around the breakwalls into the harbour basin to the slip
b) Not to use GPS WPTs to locate a harbour
c) To select a WPT outside the harbour and then use the compass and eye contact to navigate into the harbour
d) None of the above is correct
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9. Which of the following are useful techniques when using GPS navigation:
a) Enter a WPT to one side of a desired landfall and upon arrival, turn in the direction of desired harbour.
b) Determine the time a given buoy should become visible by proceeding at a set speed, and then assume the boat is off-track if the buoy does not appear at that time
c) Use the output from a depth sounder as an LOP to give a cross-check of position
d) All of these methods are prudent navigational
approaches
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10. Which of the following should NOT be part of a good navigational method.
a) In good visibility shut off some of the electronic navigational equipment to reduce battery drain
b) Use RADAR output in conjunction with GPS since GPS is not accurate
c) Combine a knowledge of bottom contours with information from electronic navigational equipment
d) Use full electronic navigation system even during periods of good visibility
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11. When running up a coastline using GPS referring to the compass.
a) Use WPTs to allow the boat to remain in visual contact with the shore
b) Stay far enough off-shore to keep in deep water and out of current
c) Depend on your GPS so that you do not have to resort to using the compass
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12. Which of the following are appropriate uses of a GPS receiver:
a)Use the GPS to produce speed curves showing hull speed versus RPM
b)Enter two WPTs and run from one to another and back to check accuracy of the knotmeter
c)Use the GPS as a tool for finding position
d)All of the above.
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