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10-17.
10-18.
10-19
10-20.
DR Latitude
38° 03.6'N
10-21.
Declination
23° 00.4'N
Sun Position
Setting
True Bearing
298.8°
26NVJ081
10-22.
10-23.
What is the exact Zn?
1.
128.0°
2.
128.1°
3.
231.2°
4.
232.4°
What is the Gyro Error?
1.
0.7W
2.
1.0W
3.
1.4W
4.
1.8W
Polaris is always located within
how many degrees of True North?
1.
1.0°
2.
2.0°
3.
0.25'
4.
0.50'
What is the maximum latitude in
which azimuth by Polaris may be
used?
1.
55°
2.
60°
3.
65°
4.
70°
In what area is azimuth by Polaris
the most effective?
1.
Lower latitudes
2.
Lower northern latitudes
3.
Higher latitudes
4.
Higher northern latitudes
What publication
is used to figure
azimuth by Polaris?
1.
Nautical Almanac
2.
H.O. Pub 229
3.
H.O. Pub 249
4.
Each of the above
When are amplitudes observed?
1.
When the Sun is rising only
2.
When the Sun is 5° above the
horizon
3.
When the Sun is 10° above the
horizon
4.
When the center of the Sun is
on the celestial horizon
10-24.
When the amplitude of the body is
rising, what prefix is used?
10-25.
10-26
10-27
10-28.
10-29.
10-30.
.
Which of the following
navigational instruments is best
for shooting an amplitude of the
Sun?
1.
Bearing circle
2.
Telescopic alidade
3.
Azimuth circle
IN ANSWERING QUESTIONS 10-28 THROUGH 10-30
REFER TO FIGURES 10-A AND FIGURE 9-7 IN
YOUR TEXT.
Figure 10-A
How is the amplitude labeled?
1.
E 38.0'N
2.
W 38.3'S
3.
E 29.4'S
4.
W 29.7'N
What is the azimuth?
1.
240.3°
2.
241.2°
3.
294.3°
4.
299.7°
What is the gyro error?
What table in Bowditch is used to
figure an amplitude of the Sun?
1.
24
2.
25
3.
27
4.
29
What type of time is used to
observe an amplitude of the Sun?
1.
LMT
2.
GMT
3.
ZT
4.
UTC
1.
1.5°W
2.
1.7°E
3.
1.9°E
4.
2.1°W
1.
N
2.
S
3.
E
4.
W
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