Surveying – Multiple Choice Questions (MCQs)

1. 13. The process of locating the instrument station on the plane table map by drawing rays from already plotted stations is called:

   • A. Radiation
   • B. Intersection
   • C. Resection
   • D. Traversing

2. 14. What is "triangulation" in surveying?

   • A. A method of measuring distances directly
   • B. A method of surveying where the area is divided into a network of triangles
   • C. A method of levelling
   • D. A method of determining directions

3. 15. The instrument used for measuring areas on a map is a:

   • A. Theodolite
   • B. Planímetro
   • C. Level
   • D. Chain

4. 16. What is "reconaissance survey"?

   • A. A detailed survey
   • B. A preliminary survey to gather general information about the area
   • C. A survey for establishing boundaries
   • D. A survey for calculating volumes

5. 17. Which type of error in surveying can be eliminated by taking repeated readings and averaging them?

   • A. Gross errors
   • B. Systematic errors
   • C. Random errors
   • D. Instrumental errors

6. 18. What is "fore bearing"?

   • A. The bearing of a line measured clockwise from the south
   • B. The bearing of a line measured clockwise from the north in the direction of progression
   • C. The bearing of a line measured counter-clockwise from the north
   • D. The bearing of a line measured from the west

7. 19. The "back bearing" of a line differs from its fore bearing by:

   • A. 0 degrees
   • B. 90 degrees
   • C. 180 degrees
   • D. 360 degrees

8. 20. The error due to earth's curvature in levelling is always:

   • A. Positive
   • B. Negative
   • C. Zero
   • D. Variable

9. 21. What is "refraction correction" in levelling?

   • A. Correction for temperature changes
   • B. Correction for atmospheric refraction
   • C. Correction for instrumental error
   • D. Correction for personal error

10. 22. The most accurate method of levelling is:

    • A. Fly levelling
    • B. Check levelling
    • C. Differential levelling
    • D. Precise levelling

11. 23. What is "cross-staff" used for in surveying?

    • A. Measuring vertical angles
    • B. Setting out right angles
    • C. Measuring distances
    • D. Measuring elevations

12. 24. The "offset" in chain surveying refers to:

    • A. The main survey line
    • B. A perpendicular or oblique measurement from a chain line to a feature
    • C. A temporary marker
    • D. A type of chain