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- 1. Multiple Choice
What does chart datum refer to on a nautical chart?
The water level used to measure depths
The distance between objects on the chart
The direction of true north
The latitude scale on the chart
- 2. Multiple Choice
What are dividers used for on a nautical chart?
Measuring distances
Determining true north
Plotting courses
Identifying land features
- 3. Multiple Choice
What is the purpose of a compass rose on a nautical chart?
To show the direction of true north and magnetic north
To measure distances between longitude lines
To identify notable land features
To represent a steady course or bearing
- 4. Multiple Choice
Why are there two norths on a compass rose?
True north and magnetic north are not always the same
True north and magnetic north are fixed points on a map
True north and magnetic north are interchangeable
True north and magnetic north have different scales
- 5. Multiple Choice
What do longitude scales on a nautical chart represent?
Horizontal lines on the map
Distances between latitude lines
Notable land features
The direction of true north
- 6. Multiple Choice
What do latitude scales on a Mercator chart measure?
Distance
Direction
Depth
Time
- 7. Multiple Choice
What are land features on a nautical chart?
Notable and relevant features of the land
Distances between longitude lines
Horizontal lines on the map
Distances between objects on the chart
- 8. Multiple Choice
What is a Mercator projection used for?
Putting a chart on a cylinder
Measuring distances and shapes
Showing smaller waterways and harbors
Representing a steady course or bearing
- 9. Multiple Choice
What is C Map Genesis?
A popular marine mapping program
A specific kind of nautical chart
A handheld compass
A measurement tool for distances
- 10. Multiple Choice
What is a harbor chart used for?
Showing smaller waterways and harbors
Measuring distances on a chart
Determining true north
Identifying notable land features
- 11. Multiple Choice
What is a rhumb line on a mercator chart?
A straight line representing a steady course or bearing
A curved line representing the equator
A line connecting true north and magnetic north
A line used to measure depths on the chart
- 12. Multiple Choice
How does a mercator projection preserve distances and shapes?
By putting a chart on a cylinder
By using latitude and longitude scales
By showing both true north and magnetic north
By keeping North and South where they belong
- 13. Multiple Choice
What is the scale of latitude on a Mercator chart?
One minute of latitude equals one nautical mile
One minute of latitude equals one mile
One minute of latitude equals one kilometer
One minute of latitude equals one degree
- 14. Multiple Choice
What is the scale of longitude on a nautical chart?
Not used to measure distance
One minute of longitude equals one nautical mile
One minute of longitude equals one mile
One minute of longitude equals one kilometer
- 15. Multiple Choice
What is the shortest distance between two points on a mercator chart?
A rhumb line
A curved line
A longitude line
A latitude line
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