Surveying – Multiple Choice Questions (MCQs)

1. 73. The "parallax" in a telescope is eliminated by:

   • A. Focussing the eyepiece and then the objective
   • B. Focussing the objective and then the eyepiece
   • C. Adjusting the tripod
   • D. Cleaning the lens

2. 74. What is a "stadia survey"?

   • A. A method of surveying using only a chain
   • B. A method of tacheometry where distances and elevations are determined using stadia hairs in a telescope
   • C. A method of levelling
   • D. A method of measuring angles precisely

3. 75. The "stadia constant" (k) for most internal focusing telescopes is:

   • A. 0
   • B. 10
   • C. 100
   • D. 1000

4. 76. What is "horizontal control" in surveying?

   • A. Establishing vertical positions
   • B. Establishing the horizontal positions of control points
   • C. Measuring only horizontal angles
   • D. Measuring only horizontal distances

5. 77. The "vertical control" in surveying is achieved by:

   • A. Traversing
   • B. Levelling
   • C. Triangulation
   • D. Tacheometry

6. 78. What is "photogrammetry"?

   • A. Surveying using photographs
   • B. Surveying by direct measurement on the ground
   • C. Surveying using satellites
   • D. Surveying underwater

7. 79. The "stereoscope" is used in photogrammetry for:

   • A. Measuring distances on photos
   • B. Viewing aerial photographs in 3D
   • C. Taking photographs
   • D. Developing photographs

8. 80. What is a "scale bar" on a map?

   • A. A ruler
   • B. A graphical representation of the map scale
   • C. A legend
   • D. A compass

9. 81. The "azimuth" of a line is defined as:

   • A. The angle measured clockwise from the south
   • B. The angle measured clockwise from the true north
   • C. The angle measured from the magnetic north
   • D. The angle measured from the west

10. 82. What is "geodetic surveying"?

    • A. Surveying that ignores the Earth's curvature
    • B. Surveying that takes into account the Earth's curvature and its true shape
    • C. Surveying only small areas
    • D. Surveying only flat areas

11. 83. The "mean sea level (MSL)" is often used as a:

    • A. Reference point for distances
    • B. Reference datum for elevations
    • C. Reference for angles
    • D. Reference for areas

12. 84. What is "EDM" in surveying?

    • A. Electronic Distance Measurement
    • B. Electronic Data Management
    • C. Earthquake Detection Module
    • D. Environmental Data Monitoring