Geodesy 2 - Quiz IV

........................ is a discipline within engineering that focuses on designing and analyzing systems where direct line-of-sight communication or observation is crucial.

• Geodetic engineering

• Communication surveying

• LOS engineering

• None of the above

Triangulation stations should be chosen on high ground so that all relevant stations are ................

• accessible

• inaccessible

• intervisible

• None of the above

If the distance between stations is large, the intervisibility is ascertained by knowing the .................. between the stations.

• 
  vertical angle

• horizontal distance

• azimuth

• None of the above

• 0.08

• 1.07

• 0.07

• 1.08

In ............................... the two points with known coordinates are occupied and sightings are taken to the unknown point.

• intersection

• resection

• three-point problem

• satellite station

In this system the coordinates U, V, W are expressed as functions of the observed azimuth A, zenith distances Z & spatial distance S

• 
  geodetic system

• cartesian system

• Horizon system

• None of the above

An irregular surface reflecting the Earth's gravity variations

• Geoid

• Elliposoid

• spheroid

• None of the above

1. What is a major factor influencing the difference between a datum and a geoid?

• The distribution of landmasses

• The Earth's rotation speed

• The presence of the atmosphere

• None of the above

A datum is built on top of the .................... and can incorporate local variations in ................

• coordinate system - elevation

• geoid - undulation

• sphereoid - elevation

• None of the above

What is the relationship between a datum and coordinate systems?

• They are the same

• They are unrelated.

• A datum is a type of coordinate system.

• A datum defines the origin, orientation, and scale of a coordinate system.