Chapter 5

Question 1

What is the analysis of an area to determine the effect that the terrain features have on probable military operations by either of the opposing forces? (Page 5-3)

Answer 1

Terrain appreciation

Question 2

What is the average weather over an extended period of time called? (Page 5-3)

Answer 2

Climate

Question 3

What is the percentage of water vapor in the air? (Page 5-3)

Answer 3

Humidity

Question 4

What is the depositing of moisture from the atmosphere upon the surface of the earth expressed in kind and amount? (Page 5-3)

Answer 4

Precipitation

Question 5

What consists of the physical aspects of the aspects of the surface of the earth? (Page 5-4)

Answer 5

Topography

Question 6

What is the term given to the differing areas of elevation and depression on the surface of the earth? (Page 5-4)

Answer 6

Relief

Question 7

Tanks cannot climb slopes greater than how many degrees? (Page 5-4)

Answer 7

30

Question 8

What is defined as the ability of a soil in its normal state to support vehicular traffic moving cross-country or on unimproved roads and trails? (Page 5-5)

Answer 8

Trafficability

Question 9

What is any locality or area that provides the possessor a marked advantage over the enemy? (Page 5-5)

Answer 9

Key terrain

Question 10

Long-range observation is that which provides observation in excess of the effective range of small-arms fire (usually over how many meters)? (Page 5-6)

Answer 10

400

Question 11

What are areas into which weapons can be fired effectively? (Page 5-6)

Answer 11

Fields of fire

Question 12

What is shelter protection from enemy fire? (Page 5-6)

Answer 12

Cover

Question 13

What is protection from observation called? (Page 5-7)

Answer 13

Concealment

Question 14

What are obstructions that stop or divert troop movement? (Page 5-7)

Answer 14

Obstacles

Question 15

What is a terrain feature or combination of features that offer a maneuvering unit a suitable route of movement to their objective? (Page 5-7)

Answer 15

Avenue of approach

Question 16

What type of map portrays terrain and landforms in a measurable form as well as the horizontal positions of the features represented? (Page 5-9)

Answer 16

Topographic

Question 17

What type of map presents only the horizontal positions for the features represented? (Page 5-9)

Answer 17

Planimetric

Question 18

What type of map is a reproduction of an aerial photograph upon which grid lines, marginal data, place names, route numbers, important elevations, boundaries, and approximate scale and direction have been added? (Page 5-9)

Answer 18

Photomap

Question 19

What is a map on which the photographic imagery of a standard photomap has been converted into interpretable colors and symbols? (Page 5-9)

Answer 19

Pictomap

Question 20

What are great circles of north-south rings crossing the equator at right angles and converging at the North and South Poles? (Page 5- 10)

Answer 20

Meridians

Question 21

What are military maps divided into to provide a uniform system for referencing and making measurements? (Page 5-10)

Answer 21

Grids

Question 22

What is a reference from which vertical measurements are taken? (Page 5-12)

Answer 22

Datum plane

Question 23

What is defined as the height (vertical distance) of an object above or below a datum plane? (Page 5-12)

Answer 23

Elevation

Question 24

What is the representation of the shape and height of landforms and the characterization of the surface of the earth? (Page 5-12)

Answer 24

Relief

Question 25

What is a line representing an imaginary line on the ground along which all points are at the same elevation? (Page 5-12)

Answer 25

Contour line

Question 26

What is a course of a stream that has at least a limited extent of reasonably level ground bordered on the sides by higher ground? (Page 5-15)

Answer 26

Valley

Question 27

What is a less developed course of a stream in which there is essentially no level ground and, therefore, little or no maneuvering room within its confines? (Page 5-15)

Answer 27

Draw

Question 28

What is a short, continuously sloping line of higher ground normally jutting out from the side of a ridge? (Page 5-16)

Answer 28

Spur

Question 29

What is the rate of rise or fall of a landform known as? (Page 5- 16)

Answer 29

Slope

Question 30

What is the most commonly used unit of angular measure? (Page 5-19)

Answer 30

Degree

Question 31

What is a line from any position on the surface of the earth to the North Pole? (Page 5-19)

Answer 31

True north

Question 32

What is the most commonly used and simplest instrument for measuring directions and angles in the field? (Page 5-22)

Answer 32

Lensatic compass

Question 33

Compasses with more than how many degrees of variation should not be used? (Page 5-23)

Answer 33

3

Question 34

What is the most common military method of expressing a direction? (Page 5-27)

Answer 34

Azimuths

Question 35

What is defined as a horizontal angle, measured in a clockwise manner from a north base line? (Page 5-27)

Answer 35

Azimuth

Question 36

What is the center of the protractor circle from which all the direction lines radiate? (Page 5-29)

Answer 36

Index mark

Question 37

What is the locating of an unknown point by successively occupying at least two, but preferably three, known positions and sighting on the unknown point called? (Page 5-32)

Answer 37

Intersection

Question 38

What is the locating of an unknown position of the user by sighting on two or three known features called? (Page 5-35)

Answer 38

Resection