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WorksheetsDay 71-Dec 5-worksheet-Diploma-GIS,GPS,Remote sensing
Total questions: 15
Worksheet time: 11mins
Which principle is used in GPS for determining position by intersecting distances from satellites?
Triangulation
Levelling
Trilateration
Ranging
How many active satellites form the complete GPS constellation for global coverage?
14
24
34
44
Which country operates the NAVSTAR GPS system?
Russia
China
USA
India
Which GIS data type represents geographic information using cells/pixels?
Vector
Raster
Polygon
TIN
Which of the following is a passive remote sensing source?
Radar
LIDAR
Sunlight
Microwave transmitter
Which coordinate system is the most widely used for listing latitude and longitude?
UTM
DDM
DMS
Cartesian
Which is NOT a component of the GPS control segment?
Hawi
Ascension Island
Falcon Colorado Springs
User receivers
GPS satellites complete one full orbit in approximately 12 hours.
True
False
Vector data in GIS provides lower resolution than raster data.
True
False
The minimum number of satellite signals required to uniquely determine a GPS position is (a) .
The space segment of GPS consists of satellites arranged in (a) orbital planes.
Raster data represents features using (a) .
Remote sensing data acquisition mainly uses (a) radiation.
The master control station for GPS is located at (a) .
The principle by which GPS satellites provide positional information is known as (a) .
