COLORADO REMOTE SENSING TECHNICIAN
CERTIFICATION EXAM QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) Q&A 2026
|INSTANT DOWNLOAD PDF
1. What is remote sensing?
A. Manual field surveying only
B. Collection of data without physical contact
C. Laboratory chemical analysis
D. Ground excavation
Rationale: Remote sensing involves acquiring information from
a distance using sensors.
Correct answer: B
2. Which is a primary energy source in remote sensing?
A. Gravity
B. Electromagnetic radiation
C. Soil moisture
D. Wind
Rationale: Sensors detect electromagnetic energy reflected or
emitted from objects.
Correct answer: B
3. What is spatial resolution?
A. Time between satellite passes
B. Number of spectral bands
C. Ground area represented by one pixel
,D. Atmospheric clarity
Rationale: Spatial resolution defines the smallest detectable
object size.
Correct answer: C
4. Which platform is commonly used in remote sensing?
A. Submarine
B. Satellite
C. Bulldozer
D. Generator
Rationale: Satellites carry sensors for Earth observation.
Correct answer: B
5. What does spectral resolution refer to?
A. Image sharpness
B. Number of wavelength bands captured
C. Satellite altitude
D. Image brightness
Rationale: It defines how many spectral bands are recorded.
Correct answer: B
6. Which sensor actively emits energy?
A. Passive sensor
B. Radar sensor
C. Optical camera
D. Radiometer
Rationale: Radar actively sends and receives signals.
Correct answer: B
,7. What is a pixel?
A. A satellite orbit path
B. Smallest unit of a digital image
C. Atmospheric particle
D. Sensor lens
Rationale: Pixels represent individual image units.
Correct answer: B
8. Which electromagnetic wavelength is visible light?
A. X-ray
B. Infrared
C. 400–700 nm
D. Microwave
Rationale: Visible light lies between 400–700 nm.
Correct answer: C
9. What is radiometric resolution?
A. Image size
B. Sensor altitude
C. Ability to distinguish energy differences
D. Orbit speed
Rationale: It measures sensitivity to brightness differences.
Correct answer: C
10. What is remote sensing data commonly used for?
A. Cooking recipes
B. Environmental monitoring
C. Car repair
D. Music production
, Rationale: It is used for Earth and environmental analysis.
Correct answer: B
11–20
11. What is an example of passive remote sensing?
A. Radar
B. LiDAR
C. Optical imaging using sunlight
D. Sonar
Rationale: Passive sensors rely on natural energy sources.
Correct answer: C
12. What does GIS stand for?
A. Global Internet System
B. Geographic Information System
C. Ground Imaging Sensor
D. General Infrared Scanner
Rationale: GIS manages spatial data.
Correct answer: B
13. What is atmospheric scattering?
A. Satellite orbit change
B. Reflection of sunlight by atmosphere particles
C. Soil erosion
D. Sensor calibration
Rationale: Particles scatter electromagnetic energy.
Correct answer: B
CERTIFICATION EXAM QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) Q&A 2026
|INSTANT DOWNLOAD PDF
1. What is remote sensing?
A. Manual field surveying only
B. Collection of data without physical contact
C. Laboratory chemical analysis
D. Ground excavation
Rationale: Remote sensing involves acquiring information from
a distance using sensors.
Correct answer: B
2. Which is a primary energy source in remote sensing?
A. Gravity
B. Electromagnetic radiation
C. Soil moisture
D. Wind
Rationale: Sensors detect electromagnetic energy reflected or
emitted from objects.
Correct answer: B
3. What is spatial resolution?
A. Time between satellite passes
B. Number of spectral bands
C. Ground area represented by one pixel
,D. Atmospheric clarity
Rationale: Spatial resolution defines the smallest detectable
object size.
Correct answer: C
4. Which platform is commonly used in remote sensing?
A. Submarine
B. Satellite
C. Bulldozer
D. Generator
Rationale: Satellites carry sensors for Earth observation.
Correct answer: B
5. What does spectral resolution refer to?
A. Image sharpness
B. Number of wavelength bands captured
C. Satellite altitude
D. Image brightness
Rationale: It defines how many spectral bands are recorded.
Correct answer: B
6. Which sensor actively emits energy?
A. Passive sensor
B. Radar sensor
C. Optical camera
D. Radiometer
Rationale: Radar actively sends and receives signals.
Correct answer: B
,7. What is a pixel?
A. A satellite orbit path
B. Smallest unit of a digital image
C. Atmospheric particle
D. Sensor lens
Rationale: Pixels represent individual image units.
Correct answer: B
8. Which electromagnetic wavelength is visible light?
A. X-ray
B. Infrared
C. 400–700 nm
D. Microwave
Rationale: Visible light lies between 400–700 nm.
Correct answer: C
9. What is radiometric resolution?
A. Image size
B. Sensor altitude
C. Ability to distinguish energy differences
D. Orbit speed
Rationale: It measures sensitivity to brightness differences.
Correct answer: C
10. What is remote sensing data commonly used for?
A. Cooking recipes
B. Environmental monitoring
C. Car repair
D. Music production
, Rationale: It is used for Earth and environmental analysis.
Correct answer: B
11–20
11. What is an example of passive remote sensing?
A. Radar
B. LiDAR
C. Optical imaging using sunlight
D. Sonar
Rationale: Passive sensors rely on natural energy sources.
Correct answer: C
12. What does GIS stand for?
A. Global Internet System
B. Geographic Information System
C. Ground Imaging Sensor
D. General Infrared Scanner
Rationale: GIS manages spatial data.
Correct answer: B
13. What is atmospheric scattering?
A. Satellite orbit change
B. Reflection of sunlight by atmosphere particles
C. Soil erosion
D. Sensor calibration
Rationale: Particles scatter electromagnetic energy.
Correct answer: B
