Choose the correct answer for each question.

1. Define latitude

   1.   ?    imaginary lines perpendicular to the equator
   2.   ?    angular distance east or west of the equator
   3.   ?    angular distance north or south from the equator
   4.   ?    angular distance from Greenwich

2. Longitude is measured from:

   1.   ?    the prime meridian
   2.   ?    Greenland
   3.   ?    Norfolk
   4.   ?    the equator

3. Which is always expressed first?

   1.   ?    Latitude
   2.   ?    Longitude

4. What is one nautical mile equal to?

   1.   ?    2.6 kilometres
   2.   ?    1.7 miles
   3.   ?    one minute of latitude
   4.   ?    one minute of longitude

5. At what point is one minute of longitude equal to one nautical mile?

   1.   ?    At Greenwich
   2.   ?    At the prime meridian
   3.   ?    at the North Pole
   4.   ?    at the equator

6. The carts that we use in the boating class are of what type of projection?

   1.   ?    strip chart projection
   2.   ?    Mercator projection
   3.   ?    actuated projection
   4.   ?    articulated projection

7. Which is a large scal chart?

   1.   ?    1:1,000
   2.   ?    1:1,000,000

8. If a chart has a 1:10,000 scale on it, it indicates that 1cm on the chart is equal to what distance on the Earth?

   1.   ?    10,000 m
   2.   ?    1 nautical mile
   3.   ?    100 nautical miles
   4.   ?    100 m

9. Heights of land on a chart are depicted as what?

   1.   ?    contour lines
   2.   ?    depth lines
   3.   ?    spot elevations
   4.   ?    contour elevation points

10. What is chart datum on a non-tidal chart?

    1.   ?    the highest high tide that occurs for an area on a chart
    2.   ?    the lowest low tide that occurs in an area on a chart
    3.   ?    water height at close to average water level
    4.   ?    the lowest water level ever recorded for an area