10-68.
You can determine a relative bearing with an
azimuth circle by training the sighting vanes on
an object and reading its bearing from what
part?
1.
The spirit level
2.
The prism
3.
The beam of light on the compass card
4.
The inner circle graduation adjacent to the
lubber’s line
10-69.
When using a telescopic alidade, where should
you take bearings directly from?
1. The sighting vanes
2. The lubber’s line
3. The compass card
4. The spirit level
10-70.
What term denotes the angular position of
degrees, minutes, and seconds of arc north and
south of the equator?
1.
Longitude
2.
Latitude
3.
Parallel
4.
Meridian
10-71.
In giving navigational positions, one degree is
divided into how many minutes?
10-72.
In nautical distance, one degree of latitude may
be considered as how many nautical miles?
1.
15
2.
30
3.
45
4.
60
10-73.
What is the most commonly used navigational
chart?
1.
Transverse mercator
2.
Mercator projection
3.
Gnomonic
4.
Polyconic
10-74.
Which of the following charts shows the greatest
details?
1.
1:5,000
2.
1:50,000
3.
1:100,000
4.
1:600,000
10-75.
Which of the following scales is the smallest?
1.
1:5,000
2.
1:50,000
3.
1:100,000
4.
1:600,000
1.
15
2.
30
3.
45
4.
60
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