ASA 105 Chapter 1 Questions with Correct
Answers
What is latitude?
Latitude is the angular distance of a point north or south of the equator, measured in degrees.
What is longitude?
Longitude is the angular distance of a point east or west of the Prime Meridian, measured in
degrees.
Where does latitude start?
Latitude angles start with 0° at the equator.
Where does longitude start?
Longitude angles start with 0° at the Prime Meridian and end with 90° at the poles and 180°
at the International Date Line.
How are latitude angles specified?
Latitude angles are specified as being north or south of the equator.
How are longitude angles specified?
Longitude angles are specified as being east or west of Greenwich.
What is the most commonly used chart projection for nautical charts?
The most commonly used chart projection for nautical charts is the Mercator projection.
How does the Mercator projection represent the globe?
In Mercator projection, the surface features of the spherical globe are projected onto a flat
piece of paper.
Answers
What is latitude?
Latitude is the angular distance of a point north or south of the equator, measured in degrees.
What is longitude?
Longitude is the angular distance of a point east or west of the Prime Meridian, measured in
degrees.
Where does latitude start?
Latitude angles start with 0° at the equator.
Where does longitude start?
Longitude angles start with 0° at the Prime Meridian and end with 90° at the poles and 180°
at the International Date Line.
How are latitude angles specified?
Latitude angles are specified as being north or south of the equator.
How are longitude angles specified?
Longitude angles are specified as being east or west of Greenwich.
What is the most commonly used chart projection for nautical charts?
The most commonly used chart projection for nautical charts is the Mercator projection.
How does the Mercator projection represent the globe?
In Mercator projection, the surface features of the spherical globe are projected onto a flat
piece of paper.
