ASSIGNMENT 2
Textbook Assignment:
Navigation, chapter 2, pages 2-1 through 2-19.
2-1.
Which of the following
Instrument(s) invention in the
early 1700s made accurate
navigation possible, even when far
away from land?
1.
Astrolabe
2. Sextant only
3.
Chronometer only
4.
Sextant and chronometer
IN ANSWERING QUESTIONS 2-2 THROUGH 2-5,
SELECT THE NAVIGATION TERM FROM COLUMN B
THAT IS DEFINED BY THE NAVIGATION
DEFINITION IN COLUMN A.
A. DEFINITIONS
B. TERMS
2-2.
2-3.
2-4.
2-5.
Position of one 1.
point In space
relative to
2.
another point
without reference 3.
to distance
4.
A point defined by
stated or implied
coordinates
An elapsed interval
Separation of two
Position
Direction
Distance
Time
points, measured by
the length of the
line joining them
2-6.
What distance is the approximate
difference between the highest
point and lowest point on the
earths crust?
1.
10 miles
2.
12 miles
3.
15 miles
2-7.
2-8.
2-9.
2-10.
In reference to the earths size
and shape, which of the following
conditions best describes the term
ellipticity of the earth?
1.
2.
3.
4.
The diameter of the earth
measured around the equator
(6,887.91 nmi)
The diameter of the earth
measured through the poles
(6864.57 nmi)
The ratio between the
equatorial and polar diameters
(.9966 to 1)
The difference between the
diameters around the equator
and through the poles
(23.34 nmi)
The arc of a great circle is the
shortest distance between two
points on a plane.
1.
True
2.
False
How many sections is a meridian
divided into by the equator and the
poles?
1.
Six
2. Two
3.
Eight
4.
Four
The arbitrary starting point for
longitude is identified by which of
the following terms?
1.
Greenwich or zero meridian only
2.
Prime or zero meridian only
3.
First or prime meridian only
4.
Greenwich, zero, prime, or
first meridian
4.
18 miles
8