30 Questions
What is the primary division of surveying?
Plane and geodetic
In which type of surveying is the earth's surface considered flat?
Plane surveying
What is the purpose of control surveys?
To establish a network of horizontal and vertical monuments
In which type of surveying are the principles of photogrammetry or remote sensing used?
Photogrammetric surveying
What is the main difference between geodetic and plane surveying?
The size of the area being surveyed
What is the assumption made about gravity in plane surveying?
It is parallel throughout the survey region
What is the equatorial radius of the GRS 1980 ellipsoid?
6,378,137 m
Which of the following ellipsoids was used in the USSR, Russia, and Romania?
Krassovsky
What is the inverse flattening of the International 1924 ellipsoid?
297
Which of the following ellipsoids has an equatorial radius of approximately 6,377,563.4 m?
Everest
What is the polar radius of the WGS 1984 ellipsoid?
6,356,752.3141 m
Which of the following is NOT a reference ellipsoid?
Sphere
What is the purpose of measuring distances and angles in surveys?
To determine the configuration of the ground and directions of lines
What is the result of plotting measurements to a suitable scale?
A map
What is the definition of a scale in mapping?
The ratio between a distance on the map and the same distance on the ground
What type of survey is used to prepare maps showing locations of natural and man-made features and elevations of points on the ground?
Topographic surveys
What type of scale is represented by 1 cm = 5 m?
Engineer scale
What is the main purpose of surveying?
To locate positions of points on or near the surface of the earth
What type of survey is used to establish property corners, boundaries, and areas of land?
Property surveys
What is an example of a fraction scale?
1:500
Why is it not possible to draw a map to full size?
Considering the actual surface dimensions of the area, it is never possible
What type of survey is used for highways, railroads, pipelines, canals, and other projects of long linear extent?
Route surveys
What type of survey is used to map shorelines and bottom depths of lakes, streams, and other larger bodies of water?
Hydrographic surveys
What type of surveying methods are employed when the control survey is of small extent?
Plane surveying methods
What is the purpose of a graphical scale in a map?
To visually show the scale of a map
What is the principle behind the construction of a diagonal scale?
Similar triangles
What is the unit of length in the System International (SI)?
Meters
What is the relationship between 1 meter and 1 kilometer in the SI system?
1 m = 10^(-3) km
What is the scale of a map if the area of a field is 4000 Sq.m and the length and breadth of the field on the map is 8 cm by 5 cm?
1:1000
What is the unit of measurement used to measure areas in the SI system?
Square meters
This quiz covers the characteristics of various ellipsoids, including their equatorial and polar axes, and inverse flattening. It is a part of the University of Duhok's Department of Spatial Planning curriculum.
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