DAY 30 CIVILWAR surveyor - Surveying introduction part 2

A project team must (i) identify ridgelines/valleys, (ii) fix future road alignments, and (iii) set out centerlines on ground. Which sequence of survey classes best fits these stages?

• Cadastral → Preliminary → Reconnaissance

• Topographical → Preliminary → Location

• Geological → Reconnaissance → Preliminary

• Topographical → Reconnaissance → Location

You’re asked to demarcate legal land boundaries for taxation with maximum clarity in ownership. Which object-based class is correct—and which instrument list is most typical?

• Cadastral; plane table & alidade only

• Cadastral; total station/EDM + tapes

• Topographical; aerial camera only

• Engineering; theodolite only

A large mountainous corridor must be controlled with the fewest base measurements while allowing angle networks to propagate position. Best method employed?

• Traverse

• Triangulation

• Leveling

• Plane tabling

For planning a new harbor, you must chart tidal ranges, currents, and seabed morphology; later you’ll produce shoreline maps. Which primary survey class dominates initially?

• Aerial survey

• Marine/Hydrographic survey

• Geological survey

• Astronomical survey

Which pairing is conceptually incorrect about what it primarily measures?

• Theodolite → horizontal & vertical angles

• Tachometric survey → distance from stadia readings

• EDM → vertical angles

• Compass survey → magnetic bearings

A mining company needs an underground plan of drifts/shafts with precise bearings and distances, then must legally register boundary parcels above ground. Which combination is most appropriate?

• Mine survey + Cadastral survey

• Topographical + Geological

• Hydrographic + Cadastral

• Astronomical + Traverse

In dense urban streets with short visibilities and frequent obstructions, which method employed is generally more practical for forming a control framework?

• Triangulation (long intervisible sights)

• Traverse (series of connected lines)

• Astronomical (celestial fixes at night)

• Photographic (oblique)

You must rapidly capture thousands of points with angles, distances, and auto-stored coordinates, then download for CAD/ BIM design. Which instrument class best fits?

• Plane table survey

• Compass survey

• Total station survey

• Theodolite survey (non-EDM)

Which statement best distinguishes Topographical from Engineering survey when both may map roads and rivers?

• Topographical ignores man-made features

• Engineering focuses on quantities/design data for execution

• Engineering uses only aerial photos

• Topographical requires cadastral boundaries

With GNSS widely available, when does Astronomical survey still provide unique value?

• Measuring short lot lines between compound walls

• Determining local time/azimuth/latitude for fundamental control in GNSS-denied contexts

• Profiling seabed with tides

• Capturing façade textures for 3D models