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Which of the following is not Advanced Survey Equipment?
Robotic Total Station
Semi Automatic Total Station
Plane Table
Manual Total Station
Plane Table
A Plane Table is a traditional, graphical method of surveying where field observations and plotting are done simultaneously. It uses analog tools like a sight alidade, magnetic compass, and drawing board, unlike electronic or automated equipment.
A Plane Table is a traditional, graphical method of surveying where field observations and plotting are done simultaneously. It uses analog tools like a sight alidade, magnetic compass, and drawing board, unlike electronic or automated equipment.
Traditional plane table surveying relies on direct visual sighting using an alidade to draw rays on paper fixed to a board mounted on a tripod. Positions are plotted directly in the field based on geometric intersections or measured distances, operating without electronic sensors or digital signal processing.
Plane Table surveying is an analog, graphical method where field surveying and plotting occur together.
Advanced Surveying Equipment utilizes modern electronic components such as Electronic Distance Measurement (EDM), microprocessors, automatically leveling compensators, or satellite signals (e.g., Total Stations, GNSS, DGPS).
Manual, Semi-Automatic, and Robotic Total Stations all fall under modern/advanced surveying instruments due to integrated EDM and digital microchips.
No risk of omitting necessary field details since plotting occurs on site.
Does not require skilled mathematical calculations in the office.
Not suitable for precise or high-accuracy work.
Cannot be used during wet, rainy, or highly windy weather conditions.
Small-scale mapping and filling in details between primary control points.
Topographical surveying of small areas.
| Feature | Plane Table | Total Station |
|---|---|---|
Working Principle | Graphical / Visual sighting on drawing paper | Electro-optical distance measurement (EDM) & microprocessors |
Accuracy | Low to Moderate | High to Very High |
Data Storage | Manual paper map | Digital memory / Internal storage |
Option A (Robotic Total Station): Advanced equipment capable of tracking prisms automatically via remote control.
Option B (Semi Automatic Total Station): Advanced equipment that automatically measures distances electronically while horizontal/vertical angles may be read digitally.
Option D (Manual Total Station): Advanced instrument combining digital theodolite and electronic distance meter (EDM), requiring manual targeting.
C is correct тАФ Plane Table surveying is a traditional graphical method, whereas Total Stations are classified as Advanced Survey Equipment.
In competitive exams, remember that any instrument incorporating Electronic Distance Measurement (EDM) or satellite signal receivers (GNSS/DGPS) is classified under Advanced Surveying Equipment.