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Syllabus for CBT: Junior Mine Surveyor, THDC India Ltd.

Syllabus for Junior Mine Surveyor (Grade I & II):

1. Statutory Provisions: Surveyor duties under Coal Mine Regulation 2017.

2. Linear Measurement: Instruments, chain surveying, errors, optical square.

3. EDM: Measurement principles, types, corrections, instrument selection.

4. Angular Measurement: Prismatic compass, bearings, local attraction, declination.

5. Plane Table Surveying: Methods, miners’ dials, needle surveying.

6. Theodolite: Angle measurement, traversing, coordinates, adjustments.

7. Total Stations: Surveying, coordinate downloading, care, errors, adjustments.

8. Levelling: Instruments, reduction methods, contouring, levelling problems.

9. Tachometry & Control Surveys: Triangulation, GPS, instrument care.

10. Field Astronomy: True bearing, gyro theodolite, time systems, azimuth.

11. National Grid: Map projection, coordinate transformations, mine models.

12. Geodesy: Geodetic concepts, coordinates, orthometric heights.

13. Photogrammetry: Vertical photograph scales, remote sensing applications.