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10-44.
10-45.
10-46.
A dip correction of 10 feet equals
how many miles?
1.
2
2.
3
3.
5
4.
8
How should parallax always be
applied?
1.
Added
2.
Subtracted
3.
Multiplied
4.
Divided
Which celestial body has the
smallest parallax?
10-47.
1.
A star
2.
A planet
3.
The Moon
4.
The Sun
When you observe the moons lower
10-48.
10-49.
10-50.
10-51.
limb, how is semidiameter applied?
1.
Add only in south latitudes
2.
Subtracted only in south
latitudes
3. Always added
4.
Always subtracted
How many minutes of arc should
usually be used to correct
semidiameter for the sun?
1.
5
2.
10
3.
16
4.
20
Which publication(s) contain
tables that combine refraction,
parallax, and semidiameter?
1. Nautical Almanac only
2.
H.O. 229 only
3.
H.O. 249
4.
Nautical Almanac and H.O. 229
What is the sum if the index error
is +.3 and the dip is -1.1?
1.
-.8
2.
+.8
3.
-1.4
4.
+1.4
What is the Ho if the Ha is
24°16.0' and the altitude
correction is 45.4'?
1.
23°30.6'
2.
23°47.2'
3.
24°61.4'
4.
25°01.4'
IN ANSWERING QUESTIONS 10-52 THROUGH
10-63, REFER TO FIGURES 10-B, 10-C, 10-D,
10-E, AND 10-F, LOCATED AT THE END OF THIS
ASSIGNMENT. YOUR SHIP IS UNDERWAY IN THE
ATLANTIC AND YOU SHOOT A MORNING SUNLINE.
THE FOLLOWING INFORMATION IS GIVEN:
DATE:
1 MARCH 1984
DR LATITUDE:
32°14.0'N
DR LONGITUDE:
18°54.0'W
GMT:
11-27-30
HEIGHT OF EYE:
32 FT
ON THE ARC:
1.0'
hs:
41°31.3
10-52.
What is the IC correction?
10-53.
10-54.
10-55.
10-56.
10-57.
10-58.
1.
0
2.
+1.0
3.
-1.0
4.
-2.0
What is the altitude correction?
1.
+14.9
2.
-14.9
3.
+15.2
4.
-15.2
What is the Ho?
1.
41°09.6'
2.
41°24.8'
3.
41°36.5'
4.
41°40.0'
What is the total GHA?
1.
331°00.0'
2.
335°29.2'
3.
341°54.7'
4.
348°47.2'
What is the LHA?
1.
324°
2.
330°
3.
346°
4.
356°
What is the d corrn?
1.
- .5
2.
+ .5
3.
-1.0
4.
+1.0
What is the Dee Inc/d?
1.
23.8 / +49.6
2.
24.8 / -49.6
3.
24.9 / +52.7
4.
25.3 / -53.4
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