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Basic GIS, RS, Photogrammetry

Total questions: 25

Worksheet time: 9mins

Name
Class
Date
1.

If the data's CRS is WGS 1984, can we compute for a polygon's area (i.e. sqm, ha, sqkm)?

a)

No

b)

Sometimes

c)

Yes

d)

Maybe

2.

The default units of measurement if the data is projected in UTM is

a)

meters

b)

degrees

c)

feet

d)

inches

3.

Which of the following CRS are applicable in the Philippines

a)

PRS 1992

b)

Luzon 1911

c)

UTM zone 51N

d)

UTM zone 48N

4.

In UTM coordinate system, the Northing is referenced from

a)

Prime Meridian

b)

Equator

c)

Apparels

d)

Parallels

5.

In UTM, the reference for the Easting is the False Central Meridian (FCM) which is valued at:

a)

0 meter

b)

300,000 meters

c)

10,000,000 meters

d)

500,000 meters

6.

In WGS 1984 (a type of GCS), the "zero Longitude" is:

a)

Prime Meridian

b)

Equator

c)

False Central Meridian

d)

UTM 51N

7.

In the Philippines, the projected CRS that we use is:

a)

WGS 1884 UTM zone 51N

b)

WCS 1884 UTM zone 51N

c)

WGS 1984 UTM zone 51N

d)

WGS 1994 UTM zone 51N

8.

In GIS, what does the acronym UTM mean?

a)

Universal Motion Dancers

b)

Universal Traversal Mercator

c)

Universal Traverse Mercator

d)

Universal Transverse Mercator

9.

If the pair of coordinates is Longitude and Latitude, it implies that the CRS of the data is

a)

Projected

b)

Geographic

c)

Protected

d)

UTM

10.

If the pair of coordinates is Northing and Easting, it implies that the CRS of the data is

a)

WGS 1984 (GCS)

b)

Geographic (Long Lat)

c)

PRS 1992 (Long Lat)

d)

Projected / UTM

11.

What does GIS mean?

a)

Geographical Information System

b)

Geological Information System

c)

Geographic Information System

d)

Geologic Information System

12.

What is the EPSG code for WGS 1984?

a)

ESPG : 4236

b)

EPSG : 32651

c)

EPSG : 4326

d)

EPSG : 36521

13.

Remote sensing is the process of collecting data without physical contact to the target

a)

TRUE

b)

FALSE

14.

This represents the size of one pixel on the ground --- usually described in centimeters per pixel (cm / px)

a)

Generated Samples for Drone

b)

Ground Sampling Distance

c)

Ground Surface Distance

d)

General Sampling Distance

15.

In photogrammetry and aerial surveying, ground sample distance (GSD) can affect the accuracy of your survey.

a)

TRUE

b)

FALSE

16.

These are points on the ground with known coordinates. Points are usually marked by painted patterns or steel sheets established on the ground. These points will serve as tie points during survey data processing.

a)

General Control Points

b)

Ground Central Points

c)

Ground Control Points

d)

Ground Control for Photos

17.

The software we use for Photogrammetry

a)

Agisoft Metashape

b)

QGIS

c)

Google Earth

d)

GeoSetter

18.

length of time the camera shutter is open, exposing light onto the sensor, a.k.a. how long your camera spends taking a photo. Usual values are 1/1000, 1/100/ 1/600 etc.

a)

Shutter speed

b)

ISO

c)

Aperture

d)

Focus

19.

camera setting that brightens or darkens a photo. High number means brighter which helps you capture images in darker environments. Values are around 100 to 6400.

a)

Shutter speed

b)

ISO

c)

Aperture

d)

Focus

20.

opening of a lens's diaphragm through which light passes. Calibrated in f/stops and generally written in numbers such as 1.4, 2, 2.8, 4, 5.6, 8, 11 and 16.

a)

Shutter speed

b)

ISO

c)

Aperture

d)

Focus

21.

The maximum recommended flying height for drones (as allowed by law):

a)

500 meters (1,640 feet)

b)

120 meters (400 feet)

c)

50 meters (164 feet)

d)

No limits

22.

Photogrammetry software can only handle geotagged images. Agisoft Metashape can only recognize photographs that have GPS coordinates.

a)

False.

b)

True.

23.

Using spaces in filenames and folder names is not advisable. Which should be used instead of spaces?

a)

use underscore

b)

use dash

c)

no separation between words

d)

Camel Case

e)

it's okay to use space in filenames

24.

The International Standard for the representation of dates and times:

a)

ISO 14344

b)

ISO 3166-PH

c)

ISO 8601

d)

ISO 456

25.

Executive Order No. 321 series of 2004 prescribes the adoption of _________________ as the standard reference system of surveys in the Philippines

a)

Luzon datum of 1911

b)

UTM zone 51N

c)

PRS 1992

d)

WGS 1984