Spatial Data Infrastructure (SDI) Interview Preparation Guide
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Spatial Data Interview Questions and Answers will guide us that spatial data is a framework of spatial data, meta-data, users and tools that are interactively connected in order to use spatial data in an efficient and flexible way. Spatial Data is the technology, policies, standards, human resources, and related activities necessary to acquire, process, distribute, use, maintain, and preserve spatial data, learn more about Spatial Data with Spatial Data Interview Questions with Answers guide

29 Spatial Data Questions and Answers:

1 :: Which of the following is an example of map generalization?

1. Coordinate transformation
2. Buffering
3. Polygon overlay
4. Polygons coordinate thinning

Polygons coordinate thinning
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2 :: Generalization is the process by which:

1. Real-world features are selected or not selected for inclusion on a map.
2. The cartographer communicates the spatial pattern and organization of real-world objects on a map.
3. Point, line, and area symbolism is chosen.
4. Misleading or erroneous information is added to a map.
5. Real-world features are simplified to allow them to be drawn on a map at reduced scale.

Real-world features are simplified to allow them to be drawn on a map at reduced scale.
The cartographer communicates the spatial pattern and organization of real-world objects on a map.
Real-world features are selected or not selected for inclusion on a map.
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3 :: How is a large city most likely to be represented on a 1:25,000 scale map?

1. As a collection of points, lines and areas
2. As a collection of points
3. As a single point
4. As an area
5. As a line

As a collection of points, lines and areas
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4 :: What does 1mm on a map drawn at a scale of 1:50,000 represent on the ground.

1. 500 centimeters
2. 50 centimeters
3. 50 metres
4. 5 metres

50 metres
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5 :: Which of the following list are appropriate definitions of scale?

1. The lines on a map representing north-south and east-west directions
2. The ratio of a distance on a map to the corresponding distance on the ground
3. An indication of how big an object represented on the map is on the ground
4. The order of magnitude or level of generalization at which phenomena exist or are perceived or observed
5. A conversion factor used to transform map projections.

The order of magnitude or level of generalization at which phenomena exist or are perceived or observed
An indication of how big an object represented on the map is on the ground
The ratio of a distance on a map to the corresponding distance on the ground
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6 :: Which of the following are considered key elements of a paper map?

1. Annotation
2. Scale bar or ratio
3. Map features (points, lines, areas, surfaces)
4. Projection information
5. Pictures and anecdotal evidence

Projection information
Annotation
Map features (points, lines, areas, surfaces).
Scale bar or ratio.
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7 :: Which of the following is not a type of map projection?

1. Azimuthal
2. Cylindrical
3. Geographic
4. Conic

Geographic
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8 :: Which type of projection is The UKs Ordnance Survey National Grid?

1. Universal Transverse Mercator
2. Lambert Conformal Conic
3. Alber's Equal Area
4. Interrupted Goode Homolosine

Universal Transverse Mercator
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9 :: Using the UK postcode system, the postcode DL7 8 represents which of the following levels of this hierarchical system.

1. Postal area
2. Postal district
3. Postal sector
4. Unit postcode

Postal sector
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10 :: What scale of measurement may be used to represent area?

1. Interval
2. Ordinal
3. Ratio
4. Nominal

Ratio
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