Map Reading and Land Navigation

Question 1

What doctrine is Map Reading and Land Navigation?

Answer 1

TC 3-25.26

Question 2

Name two ways to hold a compass

Answer 2

a. Compass-to-cheek method
b. Center hold method

Question 3

Are topographic symbols drawn to scale?

Answer 3

No

Question 4

On a lensatic compass there are two rings, an outer black ring and an inner red ring, what are they used for?

Answer 4

The inner red ring is used to find degrees, and the outer black ring is used to find mils.

Question 5

What is a map?

Answer 5

A graphic representation of the Earth’s surface drawn to scale as seen above

Question 6

What is the purpose of a map?

Answer 6

To provide accurate information about the existence, location and distance between ground features like terrain, elevation, populated areas, routes of travel and communication

Question 7

What are the five basic colors of a map and what do they stand for?

Answer 7

a. Blue: water
b. Green: Vegetation
c. Red: Populated Area
d. Brown: Contour lines
e. Black: man-made features
f. Red-Brown: The colors red and brown are combined to identify cultural features, all relief features, non-surveyed spot elevations, and elevation, such as contour lines on red-light readable maps.

Question 8

Where is the legend on a map?

Answer 8

The lower left margin

Question 9

What is the basic rule for reading grid coordinates on a military map?

Answer 9

Right first and then Up

Question 10

How close does an 8-digit, a 6-digit, and a 4-digit grid coordinate locate a point?

Answer 10

a. 8: ten meters
b. 6: 1 hundered meters
c. 4: 1 thousand meter

Question 11

What are contour lines?

Answer 11

Imaginary lines on the ground that connects points of equal elevation

Question 12

What are the three types of contour lines?

Answer 12

a. Index
b. Immediate
c. Supplementary

Question 13

What is the scale of a map?

Answer 13

The ration of ground distance to map distance and expressed as a fraction

Question 14

What is longitude?

Answer 14

Imaginary lines that run North and South measure in degrees

Question 15

How many scales are there on a compass?

Answer 15

Two

Question 16

Name five types of terrain found on a map

Answer 16

a. Hill
b. Valley
c. Ridge
d. Saddle
e. Depression

Question 17

Name the three minor terrain features found on a map

Answer 17

a. Spur
b. Draw
c. Cliff

Question 18

What is latitude?

Answer 18

The distance North or South from the Equator

Question 19

What are some of the different types of maps?

Answer 19

a. Topographical
b. Plainimetric
c. Photo Map
d. Terrain Model

Question 20

What are military symbols?

Answer 20

Figures used to represent types of Military organizations, installations, and activates.

Question 21

How many mils are in one degree?

Answer 21

17.7

Question 22

How many norths are there on a military map?

Answer 22

3
True North
Magnetic North
Grid North

Question 23

What are the 2 supplementary terrain features found on a military map?

Answer 23

Cut
Fill

Question 24

What is an Azimuth?

Answer 24

A horizontal angle, measured in a clockwise manner from a north base line, expressing direction

Question 25

What is vertical distance?

Answer 25

The distance between the highest and lowest points measured

Question 26

What is the distance between grid lines on a combat map?

Answer 26

1 kilometer or 1000 meters

Question 27

Which north is used when using a military map?

Answer 27

Magnetic north when using a compass and grid north when using a map

Question 28

How would you hold a lensatic compass?

Answer 28

Away from metals, level, and firm

Question 29

What is a back azimuth and how do you figure it out?

Answer 29

Back azimuth is the opposite direction of an azimuth. It is figured out by adding 180 degrees if the azimuth is less than 180. If the azimuth is more than 180 you subtract 180.

Question 30

Name two ways to orient a map?

Answer 30

Use a compass and terrain association

Question 31

The arrow on a compass always points in what direction?

Answer 31

Magnetic North