NFST Map Reading and Navigation 4

Question 1

What is a 'saddle' in topographic map reading?

Accepted Answer

A low point between two higher elevations

Answer

A saddle is a low area connecting two higher points, shown on a topographic map as an hourglass-shaped arrangement of contour lines.

Question 2

On a nautical chart, a number printed in the water area typically indicates what?

Accepted Answer

The water depth at that location

Answer

Numbers printed in water areas on nautical charts represent the depth of the water at that point, usually in feet or fathoms.

Question 3

What is 'dead reckoning' in navigation?

Accepted Answer

Estimating current position using a known past position, speed, and direction

Answer

Dead reckoning is the process of calculating one's current position based on a previously known position, then accounting for speed, heading, and elapsed time.

Question 4

Which of the following best describes the 'relief' shown on a topographic map?

Accepted Answer

The three-dimensional shape and elevation of the land surface

Answer

Relief on a topographic map refers to the representation of the three-dimensional shape of the terrain, primarily shown through contour lines.

Question 5

A map's 'projection' refers to which of the following?

Accepted Answer

The mathematical method used to represent the curved Earth on a flat surface

Answer

Map projection is the mathematical transformation used to represent the spherical Earth on a flat, two-dimensional map, which always introduces some distortion.

NFST Test Practice Test

NFST Test Practice Test

NFST Map Reading and Navigation 4