MCQs on Advanced Surveying
Check your understanding of geospatial technologies with these 20 questions covering a wide range of topics.
Are you preparing for competitive exams such as GATE, ESE, SSC, RRB, and more? These questions are designed to help you test your knowledge and improve your skills in geospatial technologies. Whether you're aiming for a career in civil engineering, geospatial sciences, or related fields, mastering these concepts is essential for success in these exams.
Question 1: What does GIS stand for?
A) Geographic Integration System
B) Geographical Information Software
C) Geographic Information System
D) Global Internet System
Correct Answer: C) Geographic Information System
Question 2: Which of the following is a passive remote sensing technology?
A) RADAR
B) LIDAR
C) SONAR
D) Satellite Imagery
Correct Answer: D) Satellite Imagery
Question 3: What is the purpose of a compass in surveying?
A) Measuring distances
B) Establishing angles
C) Determining elevations
D) Mapping terrain features
Correct Answer: B) Establishing angles
Question 4: Which surveying method involves measuring angles and distances from a fixed point?
A) Traversing
B) Triangulation
C) Tacheometry
D) Leveling
Correct Answer: A) Traversing
Question 5: Which instrument is used to measure horizontal and vertical angles simultaneously?
A) Total Station
B) Theodolite
C) Plane Table
D) Tacheometer
Correct Answer: A) Total Station
Question 6: In aerial photogrammetry, what does the term "stereoscopy" refer to?
A) Capturing images from multiple angles
B) Analyzing satellite images
C) Creating 3D models from aerial images
D) Measuring angles using a theodolite
Correct Answer: C) Creating 3D models from aerial images
Question 7: What is the main purpose of Global Positioning System (GPS)?
A) Creating digital maps
B) Aerial photography
C) Measuring distances accurately
D) Determining precise locations on Earth's surface
Correct Answer: D) Determining precise locations on Earth's surface
Question 8: Which error is introduced due to the curvature of the Earth in surveying?
A) Instrumental error
B) Systematic error
C) Random error
D) Geodetic error
Correct Answer: D) Geodetic error
Question 9: In a plane table survey, how is the direction of the line of sight determined?
A) Using a compass
B) Using GPS coordinates
C) Using a theodolite
D) Using radar measurements
Correct Answer: A) Using a compass
Question 10: Which method of surveying involves measuring distances and angles while moving around the boundary of a closed figure?
A) Tacheometry
B) Trilateration
C) Triangulation
D) Traversing
Correct Answer: D) Traversing
Question 11: Which of the following is NOT a component of a total station?
A) Electronic distance meter
B) GPS receiver
C) Theodolite
D) Electronic data collector
Correct Answer: B) GPS receiver
Question 12: What is the primary advantage of using LiDAR in remote sensing?
A) High-resolution imagery
B) Ability to penetrate through clouds
C) Accurate elevation data
D) Thermal imaging capabilities
Correct Answer: C) Accurate elevation data
Question 13: Which type of surveying is used to determine the difference in elevation between two points?
A) Trilateration
B) Levelling
C) Triangulation
D) Tacheometry
Correct Answer: B) Levelling
Question 14: In photogrammetry, what is "orthorectification"?
A) Creating 3D models from 2D images
B) Adjusting for distortions caused by the Earth's curvature
C) Converting aerial images to grayscale
D) Combining images from multiple sources
Correct Answer: B) Adjusting for distortions caused by the Earth's curvature
Question 15: What is the purpose of a baseline in trigonometric leveling?
A) Establishing a reference point for measurements
B) Measuring distances accurately
C) Setting up the theodolite
D) Ensuring instrument stability
Correct Answer: B) Measuring distances accurately
Question 16: Which instrument is used for measuring angles in both horizontal and vertical planes?
A) Altimeter
B) Compass
C) Theodolite
D) GPS receiver
Correct Answer: C) Theodolite
Question 17: Which type of surveying method is often used in construction projects to establish control points?
A) Tacheometry
B) Traverse surveying
C) Differential GPS
D) Plane table surveying
Correct Answer: C) Differential GPS
Question 18: What is the purpose of a control point network in GIS?
A) Providing real-time satellite images
B) Establishing reference points for spatial data
C) Creating digital elevation models
D) Measuring angles and distances
Correct Answer: B) Establishing reference points for spatial data
Question 19: What type of error occurs consistently in the same direction and affects accuracy?
A) Systematic error
B) Random error
C) Instrumental error
D) Human error
Correct Answer: A) Systematic error
Question 20: How does remote sensing play a role in environmental monitoring?
A) Measuring atmospheric pressure
B) Studying human behavior
C) Monitoring natural disasters
D) Analyzing financial markets
Correct Answer: C) Monitoring natural disasters
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