Preview Questions Surveyor (Land/Topographical) | Role Specific Skill

Question 1: What is the role of geodetic surveys in land surveying?

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They are used for mapping local roads and property boundaries

They only focus on boundary lines and legal descriptions

They account for the earth's curvature and provide more accurate long-distance measurements

They measure the volume of earth material for construction

Question 2: In land surveying, what is the most accurate instrument for measuring horizontal and vertical angles?

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Total Station

Laser Rangefinder

GPS

Theodolite

Question 3: What does the term "georeferencing" refer to in the context of topographical mapping?

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Aligning map data to known coordinate systems

Using satellite data to measure elevation

Generating a 3D model from 2D data

Correcting errors due to atmospheric distortion

Question 4: How does ground-based LiDAR differ from aerial LiDAR in topographical mapping?

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Ground-based LiDAR is only used for elevation measurement

Aerial LiDAR provides better horizontal data accuracy

Ground-based LiDAR is used for smaller, detailed areas, while aerial LiDAR is used for larger, less accessible areas

Ground-based LiDAR is more accurate in dense vegetation

Question 5: During topographic surveys, what is the purpose of contour lines?

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To mark the boundaries of private property

To show the changes in elevation and the shape of the land

To indicate areas with the highest soil fertility

To represent the flow of underground water

Question 6: Which of the following is the primary purpose of using a total station in land measurement?

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To calculate the area of the land

To measure distances and angles accurately

To determine the slope of the land

To create a 3D model of the land