Navigation

Question 1

What is a map?

Answer 1

A map is a scaled indicator of a portion of earth’s surface

Question 2

What type of map is a military maps usually?

Answer 2

Military maps are usually topographic maps

Question 3

What is found on a military map?

Answer 3

• They show man made and natural features

- Contour lines

Question 4

What are the 6 features which appear in the marginal information on a map?

Answer 4

• Title information
• Production Information
• Universal Grid Reference
• North Point Diagram
• Scale and Contour
• Legend

Question 5

What are eastings?

Answer 5

Eastings are the vertical lines on the map

Question 6

What are northings?

Answer 6

Northings are the horizontal lines on the map

Question 7

What order is a grid reference given in?

Answer 7

The eastings is always given before the northings

Question 8

What do contours close together indicate?

Answer 8

They indicate steep slopes

Question 9

What do contours far apart indicate?

Answer 9

They indicate gentle slopes

Question 10

When the spacing of contours is decreasing the slope is …

Answer 10

Convex (going up)

Question 11

When the spacing of contours is increasing the slope is …

Answer 11

Concave (going down)

Question 12

How does the Mil System work?

Answer 12

The mil system divides the circle into 6400 mils

Question 13

What points are North, East, South and West respectively on a MILS compass?

Answer 13

North - 6400
East - 1600
South - 3200
West - 4800

Question 14

Why is the mil system preferred in the army?

Answer 14

It is convenient as 1 mil subtends approximately 1m at 1000m

Question 15

What are the three types of north?

Answer 15

True North, Grid North and Magnetic North

Question 16

What is true north?

Answer 16

It is the direction of the geographic North Pole

Question 17

What is grid north?

Answer 17

It is the direction in which the eastings point towards the top of the map

Question 18

What is magnetic north?

Answer 18

It is the direction in which a compass needle points when affected only by the earth’s magnetic field

Question 19

How to convert from grid to magnetic bearing?

Answer 19

Subtract 200 mils

GMS - Grand Ma Sucks

Question 20

How to convert from magnetic to grid bearings?

Answer 20

Add 200 mils

MGA - My Great Apples

Question 21

What are the features of a map? BOLTS

Answer 21

Border
Orientation
Legend
Title
Scale

Question 22

What are some example of other types of maps?

Answer 22

• civilian map
• hydrographical map
• aeronautic charts

Question 23

What is a knoll and how is it represented?

Answer 23

• A hill top

- Shown by a loop contour or several concentric loop contours

Question 24

What is a spur and how is it represented?

Answer 24

• A lateral ridge or tongue of land descending from a hill

- Shown by a u or v created by contour lines pointing away from the high point

Question 25

What is a ridge and how is it represented?

Answer 25

- A chain of mountains or hills | - Shown by two contour lines side by side at the same elevation for some distance

Question 26

What is a saddle and how is it represented?

Answer 26

- The lowest point between two peaks or two knolls | - Shown by contour lines that typically look like an hour glass

Question 27

What is a valley and how is it represented?

Answer 27

- A valley is a low ground between higher areas | - The v or u shape of contour lines point towards higher ground

Question 28

How do you to take a back bearing?

Answer 28

- If the bearing is greater than 3200mils, subtract 3200 | - If the bearing is less than 3200 mils, add 3200mils

Question 29

What are the 6 steps to a resection?

Answer 29

1. Select 3 prominent, widely spread features that can be recognised on map and ground 2. Take a magnetic bearing to these feature with a compass 3. Convert these magnetic bearings to grid bearings 4. Convert magnetic bearings to back bearings 5. Using your compass plot the back bearings from the features 6. These lines will either intersect to locate your position or form a small triangle of error

Question 30

How fast does an average cadet walk on flat terrain?

Answer 30

5km/h