Triangulation Surveying MCQ Questions and Answers | Geomatics Engineering

1. What is the main purpose of triangulation surveying?

A) To calculate the volume of materials.

B) To determine distances and relative positions of points.

C) To assess the quality of construction materials.

D) To measure the elevation of land areas.

B) To determine distances and relative positions of points.

2. Who pioneered the triangulation method in surveying?

A) An American named Franklin.

B) A Dutchman named Sneli.

C) A Frenchman named Descartes.

D)An Englishman named Newton.

B) A Dutchman named Sneli.

3. In what type of terrain is triangulation surveying particularly advantageous?

A) Desert terrains with sand dunes.

B) Hilly terrain with intervisibility.

C) Urban areas with tall buildings.

D) Flat terrain with heavy vegetation.

B) Hilly terrain with intervisibility.

4. What is a significant drawback of triangulation surveying?

A) Excessive equipment costs.

B) Inability to measure small areas accurately.

C) Potential accumulation of errors in line lengths and directions.

D) Difficulty in recording data.

C) Potential accumulation of errors in line lengths and directions.

5. What foundational element is used in the process of triangulation?

A) An approximate guess of angles.

B) A precisely measured baseline.

C) A visual estimate of distances.

D) A randomly selected center point.

B) A precisely measured baseline.

6. What is the principle of a triangulation survey primarily based on?

A) Measuring distances between points using compass directions.

B) Integrating quadrilaterals for better accuracy.

C) Creating a network of interconnected triangles.

D) Using GPS coordinates for precise location.

C) Creating a network of interconnected triangles.

7. What is the main purpose of the reconnaissance phase in a triangulation survey?

A) Conducting a preliminary examination and planning the network.

B) Measuring angles using a theodolite.

C) Calculating distances between established stations.

D) Directly establishing baselines.

A) Conducting a preliminary examination and planning the network.

8. What is a disadvantage of using a single chain of triangles in triangulation?

A) Difficult to maintain the required triangle angles.

B) Least accurate due to frequent introduction of baselines.

C) Too many complex computations required.

D) Not suitable for economical surveying.

B) Least accurate due to frequent introduction of baselines.

9. Why are quadrilaterals considered advantageous over triangles in some surveys?

A) Suitable for the least economical surveying method.

B) Less complexity with fewer necessary computations.

C) Simplicity and rapid execution without calculations.

D) Enhanced accuracy with multiple checks.

D) Enhanced accuracy with multiple checks.

10. In which scenario might polygons be the preferred method in triangulation?

A) Creating a network for narrow strip areas.

B) Measuring steep and uneven terrains accurately.

C) Surveying areas favoring width over length.

D) Conducting high-order triangulation surveys effortlessly.

C) Surveying areas favoring width over length.

11. What is one advantage of triangulation surveying for geodetic surveys?

A) It requires multiple base lines.

B) It needs single chains for higher accuracy.

C) It is well-suited for establishing control points.

D) It demands towers in dense areas.

C) It is well-suited for establishing control points.

12. Why is triangulation surveying considered economical in certain terrains?

A) It is cost-effective for narrow terrains.

B) It eliminates the need for surveys in large areas.

C) It reduces error in dense areas.

D) It avoids using any base lines.

A) It is cost-effective for narrow terrains.

13. What is a disadvantage of triangulation surveying regarding accuracy?

A) It provides the most accurate results possible.

B) It uses single chains for all surveys.

C) It does not require additional costs for towers.

D) There is an accumulation of errors in lengths and directions.

D) There is an accumulation of errors in lengths and directions.

14. In what context is triangulation surveying least accurate?

A) On oceanic measurements requiring few points.

B) In high-elevation areas without chains.

C) In long, narrow strips due to frequent base lines.

D) In open flatlands due to no baseline required.

C) In long, narrow strips due to frequent base lines.

15. What challenge does triangulation surveying face in flat and crowded areas?

A) It simplifies point determination.

B) It reduces errors automatically.

C) It avoids using any chains.

D) It requires the use of towers, increasing costs.

D) It requires the use of towers, increasing costs.

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