FS - Fundamentals of Surveying Mapping and GIS Concepts Questions and Answers

Question 1

A GIS database for a municipality contains a parcel layer (polygons) and a water main layer (lines). Which of the following topology rules would be most appropriate to ensure data integrity?

Accepted Answer

Parcel polygons must not overlap.

Answer

Water mains must be inside parcels.

Answer

Parcels must not have gaps.

Answer

Water mains must not intersect parcels.

Question 2

A surveyor is preparing a map for a long, narrow state that extends primarily from east to west. To minimize distortion for a State Plane Coordinate System, which map projection would be the most suitable choice?

Accepted Answer

Lambert Conformal Conic

Answer

Transverse Mercator

Answer

Azimuthal Equidistant

Answer

Universal Transverse Mercator

Question 3

Which of the following best describes the primary function of a geodetic datum?

Accepted Answer

To serve as a reference frame for defining the size and shape of the Earth and the origin of a coordinate system.

Answer

To provide a model of mean sea level for determining elevations.

Answer

To define a standard set of symbols and colors for cartographic representation.

Answer

To specify the allowable level of error in a survey control network.

Question 4

A topographic map has a contour interval of 10 feet. If two adjacent contour lines are very close together on the map, what does this indicate about the terrain?

Accepted Answer

A steep slope

Answer

A flat or gently sloping area

Answer

A uniform slope

Answer

A depression or valley

Question 5

In a GIS, which data model is best suited for representing continuous phenomena like elevation, temperature, or satellite imagery?

Accepted Answer

Raster

Answer

Vector

Answer

Tabular

Answer

Topological

Question 6

A GIS analyst is tasked with identifying all residential properties within 500 feet of a proposed new highway to send out notification letters. Which spatial analysis technique would be the most direct method to accomplish this?

Accepted Answer

Buffering

Answer

Overlay Analysis

Answer

Network Analysis

Answer

Interpolation