Surveying – Multiple Choice Questions (MCQs)

1. 49. What is a "field book" in surveying?

   • A. A book for drawing maps
   • B. A record book for field observations and measurements
   • C. A book for storing instruments
   • D. A book for calculating areas

2. 50. The "dip" of a magnetic needle is:

   • A. The horizontal inclination
   • B. The vertical inclination from the horizontal plane
   • C. The total length
   • D. The angle with the true north

3. 51. What is "local attraction" in compass surveying?

   • A. Magnetic storms
   • B. Disturbance of magnetic needle by local magnetic substances
   • C. Atmospheric pressure
   • D. Gravitational pull

4. 52. The "closed traverse" is one in which:

   • A. The starting and ending points are different
   • B. The starting and ending points coincide
   • C. The angles are not measured
   • D. The distances are not measured

5. 53. What is "balancing a traverse"?

   • A. Adding more stations
   • B. Adjusting the errors in a traverse to make it geometrically consistent
   • C. Changing the survey lines
   • D. Deleting stations

6. 54. The "Bowditch's rule" (Compass Rule) for traverse adjustment is applied when:

   • A. Angular measurements are more accurate than linear
   • B. Linear measurements are more accurate than angular
   • C. Both angular and linear measurements are equally accurate
   • D. There are no errors

7. 55. What is "levelling staff"?

   • A. A tool for measuring angles
   • B. A graduated wooden or telescopic rod used with a level for reading elevations
   • C. A staff for holding the level
   • D. A staff for marking points

8. 56. The "line of sight" in levelling should ideally be:

   • A. Vertical
   • B. Horizontal
   • C. Inclined
   • D. Curved

9. 57. What is "reduction to datum" in levelling?

   • A. Adjusting levels to a common reference plane
   • B. Removing errors
   • C. Calculating volumes
   • D. Plotting profiles

10. 58. The "height of instrument (HI)" method in levelling is used to calculate:

    • A. Distances
    • B. Angles
    • C. Reduced levels of points
    • D. Areas

11. 59. What is "contour mapping"?

    • A. Drawing lines of equal temperature
    • B. Representing the topography of an area by drawing contour lines
    • C. Drawing boundaries
    • D. Drawing roads

12. 60. The "characteristics of contour lines" include:

    • A. They always cross each other
    • B. They never cross each other
    • C. They run parallel to each other
    • D. They are always straight