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3-52.
Dip corrections are always
s u b t r a c t e d .
1.
True
2.
F a l s e
3-53.
F a i l u r e t o c o r r e c t f o r d i p a t a
h e i g h t o f 1 0 f e e t w i l l r e s u l t i n
how much error?
3-54.
3-55.
3-56.
1.
1 mi
2.
3 mi
3.
5 mi
4.
10 mi
How is parallax always applied?
1.
M u l t i p l i e d
2.
Divided
3.
Added
4.
S u b t r a c t e d
Which of the following describes
p a r a l l a x i n r e l a t i o n t o c e l e s t i a l
bodies?
1.
P a r a l l a x o f t h e S u n i s s m a l l
2.
P a r a l l a x o f t h e p l a n e t s i s
s m a l l e r
3.
P a r a l l a x o f s t a r s i s t i n y
4.
All of the above
I f t h e u p p e r l i m b o f a c e l e s t i a l
body is observed, how is the
semidiameter applied?
1.
Added
2.
M u l t i p l i e d
3.
Divided
4.
Subtracted
3-57.
What is the usual semidiameter
correction for the Sun and Moon?
1.
10 min
2.
15 min
3.
16 min
4.
20 min
3-58.
The Nautical Almanac contains some
t a b l e s t h a t c o m b i n e r e f r a c t i o n ,
p a r a l l a x ,
and semidiameter.
1.
True
2.
False
3-59.
Which strip form is used to reduce
s t a r s i g h t s ?
1.
OPNAV 3530/30 H.O.
229 Nautical
Almanac
2.
OPNAV 3530/30
H.O.
249 Nautical
Almanac
3.
OPNAV
3030/35
H.O.
229 Nautical
Almanac
4.
OPNAV
3530/35
H.O.
229,
H.O.
249
3-60.
The dip is -2.3 and the IC
c o r r e c t i o n i s + 2 . 5 .
What is
t h e t o t a l s e x t a n t c o r r e c t i o n ?
1.
+4.8
2.
- 4 . 8
3.
+0.2
4.
- 0 . 2
3-61.
The HA is 26° 47.8', and the
a l t i t u d e c o r r e c t i o n i s 2 3 . 9 ' .
What is the Ho?
1 . 2 6 ° 1 1 . 7 '
2 . 2 6 ° 2 3 . 9 '
3 . 2 6 ° 7 1 . 7 '
4 . 2 7 ° 1 1 . 7 '
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