Section 114 Land Navigation

Question 1

Where is the sheet name located?

Answer 1

Center of upper margin and either right,left side of lower margin

Question 2

What is the sheet number used for?

Answer 2

Reference number for the map sheet

Question 3

The sheet number is found in what two places?

Answer 3

Upper right and lower left margins

Question 4

What representative fraction does a scale offer?

Answer 4

Ratio of a distance on the map to the corresponding distance on earths surface

Question 5

Where is the scale located?

Answer 5

Upper left margin after the series name and center of the lower margin.

Question 6

What is the purpose of the elevation guide?

Answer 6

Helps you rapidly identify major land forms

Question 7

Where is the elevation guide located?

Answer 7

Lower right margin

Question 8

What does the declination diagram indicate?

Answer 8

The angular relationships of true north, grid north, and magnetic north

Question 9

Bar scales are used to convert what?

Answer 9

Map distance to ground distance

Question 10

Where Are bar scales located?

Answer 10

Center of lower margin

Question 11

The legend helps identify what?

Answer 11

Topographic symbols

Question 12

Where is the legend located?

Answer 12

Lower left margin

Question 13

What are grid lines?

Answer 13

Straight lines intersected at right angles forming a series of squares

Question 14

How do grid squares measure on the most common military map?

Answer 14

1000x1000 meters

Question 15

What is the basic map reading rule?

Answer 15

Read right then up

Question 16

A four digit grid coordinate locates a point within how many square meters?

Answer 16

1000m

Question 17

A six digit grid locates a point within how many meters?

Answer 17

100m

Question 18

A eight digit grid will locate a point within how many meters?

Answer 18

10m

Question 19

What is true north?

Answer 19

A line from any point on earth to the North Pole

Question 20

When is true north utilized?

Answer 20

When traveling without a compass

Question 21

How is true north located on the declination diagram?

Answer 21

A line ending with a star

Question 22

How is magnetic north indicated?

Answer 22

North seeking arrow on a le static compass

Question 23

How is magnetic north symbolized on the declination diagram?

Answer 23

A line with half an arrow head

Question 24

How is grid north indicated on the declination diagram?

Answer 24

GN

Question 25

What must be used to work with an azimuth measured from grid north?

Answer 25

A protractor

Question 26

Define a Hill?

Answer 26

An area of high ground

Question 27

How is a hill depicted?

Answer 27

Contour lines forming concentric circles

Question 28

Define a Ridge?

Answer 28

Series of hills that are connected near the top

Question 29

Define a Saddle?

Answer 29

A dip or low point between two areas of higher ground

Question 30

How is a saddle depicted?

Answer 30

A hourglass or figure 8 shaped contour lines

Question 31

Define a Finger or Spur?

Answer 31

Short, continuous, sloping line of higher ground, normally jutting out from the side of a ridge or hill

Question 32

How is a finger depicted on a map?

Answer 32

U or V pointing away from high ground

Question 33

Define a Draw?

Answer 33

Short, continuos sloping line of LOW ground normally cut into a ridge or hill

Question 34

How is a draw depicted?

Answer 34

U or V toward high ground

Question 35

Define a Depression?

Answer 35

Low point in the ground or a sink hole. Surrounded by higher ground in all directions

Question 36

How is depression indicated?

Answer 36

Closed contour lines that have tick marks pointing toward low ground

Question 37

What does the cover contain on a lensatic compass?

Answer 37

Siting wire | 2 luminous sighting dots for night navigation

Question 38

How is a floating dial mounted?

Answer 38

On a pivot

Question 39

What does a floating dial consist of?

Answer 39

Magnetic needle Luminous arrow Letters E 90 degrees Letters W 270 degrees

Question 40

What are two scales on a floating dial?

Answer 40

Outer denotes MILS (black) | Inner denotes DEGREES (red)

Question 41

MILS are normally used by what?

Answer 41

Arty Tanks Mortar gunnery

Question 42

What formula is used to convert degrees into MILS?

Answer 42

Multiply degrees by 17.78

Question 43

What is the purpose of glass encasement?

Answer 43

Houses the floating dial and contains a fixed black index line

Question 44

What is a bezel ring?

Answer 44

Device that clicks when turned, 120 clicks when rotated fully, each click is 3 degrees

Question 45

Where is the thumb loop attached?

Answer 45

He base

Question 46

What is he rear site used for?

Answer 46

Lock the floating dial

Question 47

Why must the rear site be opened more than 45 degrees?

Answer 47

Allow the floating dial to float freely

Question 48

What is the lens for?

Answer 48

Read the floating dial

Question 49

What is the angular difference between grid north and magnetic north called?

Answer 49

G-M angle

Question 50

How should the GM angle be rounded?

Answer 50

Nearest whole degree

Question 51

How does location by inspection work?

Answer 51

Estimating your relation to several prominent features

Question 52

Why is it better to use two point resection than 1 point?

Answer 52

Doesn't rely on ability to accurately estimate

Question 53

How far apart should two prominent features be when using the two point resection?

Answer 53

At least 30 degrees but no more than 150

Question 54

What is a map named after?

Answer 54

Most prominent cultural or geographic feature