Lesson 8 (topographic)

Question 1

Can be defined as the shape, configuration, roughness or
three-dimensional quality of Earth’s surface

Answer 1

Topography

Question 2

are made to show this
information, together with the location of
artificial and natural features of the Earth,
including buildings, highways, streams,
lakes, forests and so on.

Answer 2

Topographic map

Question 3

provide definite and
precise information regarding
elevation.

Answer 3

Spot heights

Question 4

are series of short lines drawn in the direction of the slope.

Answer 4

Hachures

Question 5

are drawn when not enough vertical control is available or when the surface is
too irregular or intricate contour.

Answer 5

Form lines

Question 6

This is the most widely used method of quantitatively representing hills, mountains,
depressions, and ground surface
undulations on a
two-dimensional sheet of paper.

Answer 6

Contour

Question 7

It is common use for aerial navigation charts and on small scale maps of the world.

Answer 7

Layer tinting

Question 8

is an old method use to show relative elevations on maps.

Answer 8

Shading

Question 9

Provide the most striking and realistic
expression of topography.

Answer 9

Relief

Question 10

How much interval is expected in a 1:50,000 toposheet

Answer 10

20m interval

Question 11

How much interval is expected in a 1:250,000 toposheet

Answer 11

50 m interval

Question 12

The distance in elevation between the top of an object (a hill, tower, etc.) and its base.

Answer 12

Height

Question 13

The difference in elevation between the highest point and the lowest in an area, or as shown on a topographic map.

Answer 13

Relief

Question 14

the vertical distance between adjacent contour lines.

Answer 14

Contour interval

Question 15

The vertical distance of a point above a reference plane. On a topographic map,
the plane is usually mean sea level.

Answer 15

Elevation

Question 16

A line connecting points of equal elevation. It may be marked with its
elevation in feet above sea level.

Answer 16

Contour line

Question 17

A line of high ground with height variations

Answer 17

Ridge

Question 18

Level ground boarded on the sides of higher grounds

Answer 18

Valley

Question 19

A small area of high ground

Answer 19

Hill

Question 20

A low point or hole in the ground surrounded on all side by heigher elevation

Answer 20

Depression

Question 21

A near vertical slope, contour lines being close together

Answer 21

Cliff

Question 22

Short, continuously sloping line of higher ground away

Answer 22

Spur

Question 23

There is level ground and little or no maneuver room

Answer 23

Draw

Question 24

True or False
Every point on the same countour line has different elevations

Answer 24

False

Question 25

True or False Contours closes itself either within or beyond the map limit

Answer 25

True

Question 26

True or False Contours can overlap with each other in cases of overhanging cliffs

Answer 26

True

Question 27

True or False Irregular contours signify smooth terrains

Answer 27

False

Question 28

True or False Contiur lines when crossing streams tend to move uphill on a V-manner

Answer 28

True

Question 29

Give the 4 contour factors to be considered for contour selection

Answer 29

1.Relative Cost 2. Purpose of the map 3. Nature of terrain 4.Scale of the map

Question 30

Is a cross-sectional view along a line drawn through a portion of a map

Answer 30

Profile