CRS and Map Projection

Question 1

What is the problem in traditional wat of locating things?

Answer 1

Subjective and can cause confucion

Question 2

A system to measure the location
on the Earth’s surface in an
absolute way

Answer 2

Coordinate Reference System

Question 3

Every feature in Earth surface has
a ___________.

Answer 3

location

Question 4

CSR requires you to ______ your ___ and ___________ your ____.

Answer 4

Find your X and determine your Y.

Question 5

In the global reference System, what is your X and Y?

Answer 5

Prime Meridian and Equator

Question 6

They are angles
measured from the earth’s ______ to a
point on the earth’s surface.

Answer 6

Latitude and longitude, center

Question 7

They define the location of points in the globe

Answer 7

Latitude and longitude

Question 8

It circles above and below the equator

Answer 8

Latitude

Question 9

Where is the latitude if it is 90 degrees

Answer 9

North Pole

Question 10

Where is the latitude if it is -90 degrees

Answer 10

South Pole

Question 11

What is used in measuring Latitude?

Answer 11

DMS

Question 12

From the north to the south pole, the earth is divided into 360 degree

Answer 12

Longitude

Question 13

At the prime meridian, _______, Longitude is 0

Answer 13

Greenwhich

Question 14

What will happen to the longitude if it travels west?

Answer 14

the measurement would be -180 degrees

Question 15

What will happen to the longitude if it travels east?

Answer 15

it would be positively up to 180 degrees

Question 16

LOEX

Answer 16

Longitude, Easting and X-axis

Question 17

LANY

Answer 17

Latitude, Northing and Y-axis

Question 18

What is datum

Answer 18

A mathematical model to estimate the shape of the Earth

Question 19

act similar to starting points when you give someone directions

Answer 19

Datum

Question 20

International standard that is best fit on a global scale

Answer 20

World Geodetic System 1984-WGS 84

Question 21

What is the starting point of the WGS 84?

Answer 21

Prime Meridian and Equator

Question 22

2 coordinate system

Answer 22

Geographic Coordinate System
Projected Coordinate System

Question 23

Transforming a Three-dimensional feature to Two-dimensional feature

Answer 23

Projection

Question 24

It is measured using a meter, and has a flat and two-dimensional and needs to be specified.

Answer 24

Projected

Question 25

In this the distance is not uniformed, measured through DMS and DD and no projection technique is needed

Answer 25

Geographic

Question 26

A map or parts of a map can show one or more (but never all) of the following:

Answer 26

True Directions True Distances True Areas and True Shapes

Question 27

Types of projection

Answer 27

Cylindrical Conical and azimuthal

Question 28

One of the most used projection because of it's precision for the entire globe

Answer 28

Universal Transverse Mercator

Question 29

UTM is established in ____ by the International Union of _______ and _______.

Answer 29

1936 by the International Union of Geodesy and Geophysics

Question 30

It is a standard set of map projections with a central meridian for each six-degree-wide UTM zone.

Answer 30

UTM Coordinate System

Question 31

Why is there 60 time zones?

Answer 31

Because 360/ 6

Question 32

The central meridian is given an easting of ______________ m.

Answer 32

500 000 m

Question 33

when calculating coordinates for locations in the northern hemisphere, the equator has a northing of ___ m

Answer 33

0

Question 34

in the southern hemisphere, the equator has northing of _____________ m

Answer 34

10,000,000 m

Question 35

It is a local projection specifically for the Philippines primarily used for surveying and political boundaries.

Answer 35

Philippine Reference System

Question 36

how many zones does PTM Uses?

Answer 36

5 Zones

Question 37

How does PTM reduce distortion?

Answer 37

by creating series of central meridian

Question 38

It generally preserves shapes of the countries

Answer 38

Mercator Projection

Question 39

Originally used for navigation

Answer 39

Mercator Projection

Question 40

It fails to represent the size of countries ea Green land and Africa

Answer 40

Mercator Projection

Question 41

Equal area map, displays a more accurately land area

Answer 41

Gall-Peters Projection

Question 42

This projection distorts the shape of the countries

Answer 42

Gall-Peters Projection

Question 43

It provides round-the-clock and precise information from space.

Answer 43

Satellite

Question 44

Google Maps use this projection because its ability to preserve shape and angle makes close up view of cities more accurate.

Answer 44

Mercator Projection

Question 45

In 1988 this projection was used because of its balance in size and shape accuracy

Answer 45

Winkel Tripel

Question 46

What is the value along the equator?

Answer 46

0 degrees

Question 47

What is the latitude value at the South Pole?

Answer 47

-90 degrees

Question 48

What is the latitude value at the North Pole?

Answer 48

90 degrees

Question 49

This is the geodetic datum that was first defined in 1911 and is suitable for use in the Philippines.

Answer 49

Luzon 1911

Question 50

It became the standard reference system for all surveying and mapping activities in the Philippines by virtue of EO 45

Answer 50

PRS 1992

Question 51

It defines the initial point and reference surface

Answer 51

Datum

Question 52

It determines how locations are referenced from the datum.

Answer 52

Coordinate system

Question 53

No map can rival a globe in truly representing the surface of the entire Earth

Answer 53

TRUE

Question 54

Provide 5 advantages of flat maps over globes.

Answer 54

a. they are more compact and easier to store b. they readily accommodate an enormous range of scales c. they are viewed easily on computer displays d. they can facilitate measuring properties of the terrain being mapped e. they can show larger portions of the earth's surface at once f. and they are cheaper to produce and transport

Question 55

This coordinate system has linear units of measure

Answer 55

Projected coordinate system

Question 56

This coordinate system has decimal degrees or degree, minute and second as unit of measurement.

Answer 56

Geographic coordinate system

Question 57

The earth is divided into how many zones?

Answer 57

60 zones

Question 58

What zone does most parts of the Philippines are located?

Answer 58

51N